2001 Ford Taurus OBD2 Codes: A Comprehensive Guide to Understanding Your Vehicle's Diagnostics

Navigating car troubles can be frustrating, especially when the check engine light illuminates in your 2001 Ford Taurus. Fortunately, modern vehicles like the 2001 Ford Taurus are equipped with an On-Board Diagnostics system, specifically OBD2, which helps pinpoint potential problems. Understanding these diagnostic trouble codes (DTCs) is the first step to effective vehicle maintenance and repair. This guide provides a detailed breakdown of OBD2 codes relevant to your 2001 Ford Taurus, empowering you to understand what these codes mean and how they can help you keep your car running smoothly.

Decoding OBD2 Codes: Understanding the Basics for Your 2001 Ford Taurus

Before diving into the specifics of 2001 Ford Taurus Obd2 Codes, it’s essential to understand the structure of these codes. OBD2 codes are standardized across the automotive industry, ensuring a consistent diagnostic approach for various makes and models, including your Ford Taurus. Each code is composed of five characters: a letter followed by four digits.

The first letter categorizes the system affected:

P (Powertrain): Relates to the engine, transmission, and associated components. This is the most common category for OBD2 codes you’ll encounter in your 2001 Ford Taurus.
C (Chassis): Concerns the mechanical systems and control, including braking, suspension, and steering.
B (Body): Deals with components within the car’s body, such as airbags, power windows, and central locking.
U (Network Communication): Indicates issues with the vehicle’s communication network, like the Controller Area Network (CAN) bus.

The four digits that follow the letter provide more specific information about the fault. The first digit of the number further defines the category, while the subsequent digits narrow down the specific problem area within that system.

For 2001 Ford Taurus owners, understanding these basics is crucial. When your check engine light comes on, retrieving the OBD2 code is the first step in diagnosing the problem. You can use an OBD2 scanner, readily available online or at auto parts stores, to read these codes from your vehicle’s diagnostic port, typically located under the dashboard.

Powertrain (P) OBD2 Codes for 2001 Ford Taurus

Powertrain codes are the most frequently encountered OBD2 codes, especially for a vehicle like the 2001 Ford Taurus, which has been on the road for over two decades. These codes signal issues within the engine and transmission systems, which are vital for your car’s performance and efficiency. Here’s a breakdown of common P-codes, categorized for easier understanding:

P00XX Codes: Fuel and Air Metering & Auxiliary Emission Controls

These codes often relate to issues with the sensors and systems that manage the air-fuel mixture and emissions in your 2001 Ford Taurus engine. Proper air-fuel balance is critical for engine efficiency, performance, and minimizing harmful emissions.

P0010 “A” Camshaft Position Actuator Circuit (Bank 1): Indicates a problem with the circuit controlling the camshaft position actuator on Bank 1 of your 2001 Ford Taurus engine. This can affect valve timing and engine performance.
P0011 “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 1): Suggests that the camshaft timing is more advanced than desired on Bank 1. This could lead to decreased fuel economy and engine knocking.
P0012 “A” Camshaft Position – Timing Over-Retarded (Bank 1): Indicates the camshaft timing is more retarded than commanded on Bank 1. This can also negatively impact engine performance and fuel efficiency in your 2001 Ford Taurus.
P0013 “B” Camshaft Position – Actuator Circuit (Bank 1): Similar to P0010, but for the “B” camshaft actuator circuit on Bank 1.
P0014 “B” Camshaft Position – Timing Over-Advanced or System Performance (Bank 1): Similar to P0011, but for the “B” camshaft timing on Bank 1.
P0015 “B” Camshaft Position -Timing Over-Retarded (Bank 1): Similar to P0012, but for the “B” camshaft timing on Bank 1.
P0020 “A” Camshaft Position Actuator Circuit (Bank 2): Same as P0010, but for Bank 2. V-type engines like some found in the 2001 Ford Taurus have two banks of cylinders.
P0021 “A” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2): Same as P0011, but for Bank 2.
P0022 “A” Camshaft Position – Timing Over-Retarded (Bank 2): Same as P0012, but for Bank 2.
P0023 “B” Camshaft Position – Actuator Circuit (Bank 2): Same as P0013, but for Bank 2.
P0024 “B” Camshaft Position – Timing Over-Advanced or System Performance (Bank 2): Same as P0014, but for Bank 2.
P0025 “B” Camshaft Position – Timing Over-Retarded (Bank 2): Same as P0015, but for Bank 2.
P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1): Heated Oxygen Sensors (HO2S) are crucial for monitoring exhaust gases. This code indicates a problem with the heater circuit of the upstream oxygen sensor (Sensor 1) on Bank 1. The heater helps the sensor reach operating temperature quickly for accurate readings.
P0031 HO2S Heater Control Circuit Low (Bank 1 Sensor 1): Indicates low voltage in the heater control circuit for Bank 1 Sensor 1.
P0032 HO2S Heater Control Circuit High (Bank 1 Sensor 1): Indicates high voltage in the heater control circuit for Bank 1 Sensor 1.
P0033 Turbo Charger Bypass Valve Control Circuit: If your 2001 Ford Taurus was equipped with a turbocharger (less common for this model), this code would indicate a problem with the bypass valve control circuit.
P0034 Turbo Charger Bypass Valve Control Circuit Low: Low voltage in the turbo bypass valve control circuit.
P0035 Turbo Charger Bypass Valve Control Circuit High: High voltage in the turbo bypass valve control circuit.
P0036 HO2S Heater Control Circuit (Bank 1 Sensor 2): Problem with the heater circuit of the downstream oxygen sensor (Sensor 2) on Bank 1, located after the catalytic converter. This sensor monitors catalytic converter efficiency.
P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2): Low voltage in the heater control circuit for Bank 1 Sensor 2.
P0038 HO2S Heater Control Circuit High (Bank 1 Sensor 2): High voltage in the heater control circuit for Bank 1 Sensor 2.
P0042 HO2S Heater Control Circuit (Bank 1 Sensor 3): Problem with the heater circuit for a third oxygen sensor, if present, on Bank 1. Sensor 3 is less common.
P0043 HO2S Heater Control Circuit Low (Bank 1 Sensor 3): Low voltage for Bank 1 Sensor 3 heater circuit.
P0044 HO2S Heater Control Circuit High (Bank 1 Sensor 3): High voltage for Bank 1 Sensor 3 heater circuit.
P0050 HO2S Heater Control Circuit (Bank 2 Sensor 1): Heater circuit issue for the upstream oxygen sensor on Bank 2.
P0051 HO2S Heater Control Circuit Low (Bank 2 Sensor 1): Low voltage for Bank 2 Sensor 1 heater circuit.
P0052 HO2S Heater Control Circuit High (Bank 2 Sensor 1): High voltage for Bank 2 Sensor 1 heater circuit.
P0056 HO2S Heater Control Circuit (Bank 2 Sensor 2): Heater circuit problem for the downstream oxygen sensor on Bank 2.
P0057 HO2S Heater Control Circuit Low (Bank 2 Sensor 2): Low voltage for Bank 2 Sensor 2 heater circuit.
P0058 HO2S Heater Control Circuit High (Bank 2 Sensor 2): High voltage for Bank 2 Sensor 2 heater circuit.
P0062 HO2S Heater Control Circuit (Bank 2 Sensor 3): Heater circuit issue for a third oxygen sensor, if present, on Bank 2.
P0063 HO2S Heater Control Circuit Low (Bank 2 Sensor 3): Low voltage for Bank 2 Sensor 3 heater circuit.
P0064 HO2S Heater Control Circuit High (Bank 2 Sensor 3): High voltage for Bank 2 Sensor 3 heater circuit.
P0065 Air Assisted Injector Control Range/Performance: Indicates a problem with the air-assisted injector system, if your 2001 Ford Taurus is equipped with one.
P0066 Air Assisted Injector Control Circuit or Circuit Low: Low voltage or circuit issue in the air-assisted injector control.
P0067 Air Assisted Injector Control Circuit High: High voltage in the air-assisted injector control circuit.
P0070 Ambient Air Temperature Sensor Circuit: Problem with the ambient air temperature sensor circuit. This sensor is used for climate control and sometimes engine management.
P0071 Ambient Air Temperature Sensor Range/Performance: The ambient air temperature sensor reading is out of expected range.
P0072 Ambient Air Temperature Sensor Circuit Low Input: Low voltage signal from the ambient air temperature sensor.
P0073 Ambient Air Temperature Sensor Circuit High Input: High voltage signal from the ambient air temperature sensor.
P0074 Ambient Air Temperature Sensor Circuit Intermittent: Intermittent signal from the ambient air temperature sensor.
P0075 Intake Valve Control Solenoid Circuit (Bank 1): Problem in the circuit controlling the intake valve control solenoid on Bank 1. This is related to variable valve timing systems.
P0076 Intake Valve Control Solenoid Circuit Low (Bank 1): Low voltage in the intake valve control solenoid circuit for Bank 1.
P0077 Intake Valve Control Solenoid Circuit High (Bank 1): High voltage in the intake valve control solenoid circuit for Bank 1.
P0078 Exhaust Valve Control Solenoid Circuit (Bank 1): Problem in the exhaust valve control solenoid circuit on Bank 1.
P0079 Exhaust Valve Control Solenoid Circuit Low (Bank 1): Low voltage in the exhaust valve control solenoid circuit for Bank 1.
P0080 Exhaust Valve Control Solenoid Circuit High (Bank 1): High voltage in the exhaust valve control solenoid circuit for Bank 1.
P0081 Intake valve Control Solenoid Circuit (Bank 2): Problem in the intake valve control solenoid circuit on Bank 2.
P0082 Intake Valve Control Solenoid Circuit Low (Bank 2): Low voltage for Bank 2 intake valve solenoid circuit.
P0083 Intake Valve Control Solenoid Circuit High (Bank 2): High voltage for Bank 2 intake valve solenoid circuit.
P0084 Exhaust Valve Control Solenoid Circuit (Bank 2): Problem in the exhaust valve control solenoid circuit on Bank 2.
P0085 Exhaust Valve Control Solenoid Circuit Low (Bank 2): Low voltage for Bank 2 exhaust valve solenoid circuit.
P0086 Exhaust Valve Control Solenoid Circuit High (Bank 2): High voltage for Bank 2 exhaust valve solenoid circuit.

P01XX Codes: Fuel and Air Metering

P01XX codes generally point to issues directly related to the fuel and air metering systems. These systems ensure the engine receives the correct mixture of air and fuel for optimal combustion.

P0100 Mass or Volume Air Flow Circuit: Problem with the Mass Air Flow (MAF) sensor circuit. The MAF sensor measures the amount of air entering the engine, crucial for fuel calculations.
P0101 Mass or Volume Air Flow Circuit Range/Performance Problem: The MAF sensor reading is out of the expected range, indicating a potential sensor malfunction or air intake leak.
P0102 Mass or Volume Air Flow Circuit Low Input: Low voltage signal from the MAF sensor, suggesting a weak signal or circuit issue.
P0103 Mass or Volume Air Flow Circuit High Input: High voltage signal from the MAF sensor, possibly indicating a short circuit or sensor problem.
P0104 Mass or Volume Air Flow Circuit Intermittent: Intermittent signal from the MAF sensor.
P0105 Manifold Absolute Pressure/Barometric Pressure Circuit: Problem with the Manifold Absolute Pressure (MAP) sensor or Barometric Pressure (BARO) sensor circuit. These sensors measure air pressure in the intake manifold and atmospheric pressure, respectively, important for altitude adjustments and fuel calculations.
P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem: MAP/BARO sensor reading is out of the expected range.
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input: Low voltage signal from the MAP/BARO sensor.
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input: High voltage signal from the MAP/BARO sensor.
P0109 Manifold Absolute Pressure/Barometric Pressure Circuit Intermittent: Intermittent signal from the MAP/BARO sensor.
P0110 Intake Air Temperature Circuit: Problem with the Intake Air Temperature (IAT) sensor circuit. The IAT sensor measures the temperature of the air entering the engine, influencing air density and fuel mixture.
P0111 Intake Air Temperature Circuit Range/Performance Problem: IAT sensor reading is out of the expected range.
P0112 Intake Air Temperature Circuit Low Input: Low voltage signal from the IAT sensor.
P0113 Intake Air Temperature Circuit High Input: High voltage signal from the IAT sensor.
P0114 Intake Air Temperature Circuit Intermittent: Intermittent signal from the IAT sensor.
P0115 Engine Coolant Temperature Circuit: Problem with the Engine Coolant Temperature (ECT) sensor circuit. The ECT sensor monitors engine temperature, crucial for engine control, especially during warm-up.
P0116 Engine Coolant Temperature Circuit Range/Performance Problem: ECT sensor reading is out of the expected range.
P0117 Engine Coolant Temperature Circuit Low Input: Low voltage signal from the ECT sensor.
P0118 Engine Coolant Temperature Circuit High Input: High voltage signal from the ECT sensor.
P0119 Engine Coolant Temperature Circuit Intermittent: Intermittent signal from the ECT sensor.
P0120 Throttle/Pedal Position Sensor/Switch A Circuit: Problem with the Throttle Position Sensor (TPS) or Pedal Position Sensor (PPS) “A” circuit. The TPS/PPS monitors the throttle valve or accelerator pedal position, essential for engine control and acceleration.
P0121 Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance Problem: TPS/PPS “A” reading is out of the expected range.
P0122 Throttle/Pedal Position Sensor/Switch A Circuit Low Input: Low voltage signal from TPS/PPS “A”.
P0123 Throttle/Pedal Position Sensor/Switch A Circuit High Input: High voltage signal from TPS/PPS “A”.
P0124 Throttle/Pedal Position Sensor/Switch A Circuit Intermittent: Intermittent signal from TPS/PPS “A”.
P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control: The engine coolant temperature is too low to enter closed-loop fuel control. Closed-loop operation relies on oxygen sensor feedback for precise fuel adjustments.
P0126 Insufficient Coolant Temperature for Stable Operation: The engine coolant temperature is too low for stable engine operation.
P0127 Intake Air Temperature Too High: The intake air temperature is excessively high.
P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature): The coolant temperature is below the thermostat’s regulating temperature, indicating a potential thermostat malfunction preventing the engine from reaching operating temperature.
P0130 O2 Sensor Circuit (Bank 1 Sensor 1): Problem with the oxygen sensor circuit for Bank 1 Sensor 1.
P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1): Low voltage signal from the Bank 1 Sensor 1 oxygen sensor, indicating a lean condition or sensor issue.
P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1): High voltage signal from the Bank 1 Sensor 1 oxygen sensor, indicating a rich condition or sensor issue.
P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1): Slow response from the Bank 1 Sensor 1 oxygen sensor, suggesting a sensor degradation.
P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1): No signal or activity detected from the Bank 1 Sensor 1 oxygen sensor.
P0135 O2 Sensor Heater Circuit (Bank 1 Sensor 1): Problem with the heater circuit for Bank 1 Sensor 1 (same as P0030, but could be more general).
P0136 O2 Sensor Circuit Malfunction (Bank 1 Sensor 2): General malfunction in the oxygen sensor circuit for Bank 1 Sensor 2.
P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2): Low voltage from Bank 1 Sensor 2.
P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2): High voltage from Bank 1 Sensor 2.
P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2): Slow response from Bank 1 Sensor 2.
P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2): No activity from Bank 1 Sensor 2.
P0141 O2 Sensor Heater Circuit (Bank 1 Sensor 2): Problem with the heater circuit for Bank 1 Sensor 2.
P0142 O2 Sensor Circuit Malfunction (Bank 1 Sensor 3): Malfunction for Bank 1 Sensor 3.
P0143 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3): Low voltage from Bank 1 Sensor 3.
P0144 O2 Sensor Circuit High Voltage (Bank 1 Sensor 3): High voltage from Bank 1 Sensor 3.
P0145 O2 Sensor Circuit Slow Response (Bank 1 Sensor 3): Slow response from Bank 1 Sensor 3.
P0146 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3): No activity from Bank 1 Sensor 3.
P0147 O2 Sensor Heater Circuit (Bank 1 Sensor 3): Heater circuit problem for Bank 1 Sensor 3.
P0148 Fuel Delivery Error: General fuel delivery problem.
P0149 Fuel Timing Error: Problem with fuel injection timing.
P0150 O2 Sensor Circuit (Bank 2 Sensor 1): Oxygen sensor circuit problem for Bank 2 Sensor 1.
P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1): Low voltage from Bank 2 Sensor 1.
P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1): High voltage from Bank 2 Sensor 1.
P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1): Slow response from Bank 2 Sensor 1.
P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1): No activity from Bank 2 Sensor 1.
P0155 O2 Sensor Heater Circuit (Bank 2 Sensor 1): Heater circuit issue for Bank 2 Sensor 1.
P0156 O2 Sensor Circuit Malfunction (Bank 2 Sensor 2): Malfunction for Bank 2 Sensor 2.
P0157 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2): Low voltage from Bank 2 Sensor 2.
P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2): High voltage from Bank 2 Sensor 2.
P0159 O2 Sensor Circuit Slow Response (Bank 2 Sensor 2): Slow response from Bank 2 Sensor 2.
P0160 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2): No activity from Bank 2 Sensor 2.
P0161 O2 Sensor Heater Circuit (Bank 2 Sensor 2): Heater circuit problem for Bank 2 Sensor 2.
P0162 O2 Sensor Circuit Malfunction (Bank 2 Sensor 3): Malfunction for Bank 2 Sensor 3.
P0163 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 3): Low voltage from Bank 2 Sensor 3.
P0164 O2 Sensor Circuit High Voltage (Bank 2 Sensor 3): High voltage from Bank 2 Sensor 3.
P0165 O2 Sensor Circuit Slow Response (Bank 2 Sensor 3): Slow response from Bank 2 Sensor 3.
P0166 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 3): No activity from Bank 2 Sensor 3.
P0167 O2 Sensor Heater Circuit (Bank 2 Sensor 3): Heater circuit issue for Bank 2 Sensor 3.
P0168 Fuel Temperature Too High: The fuel temperature is excessively high.
P0169 Incorrect Fuel Composition: The fuel composition is not within the expected range, potentially due to contamination or sensor malfunction.
P0170 Fuel Trim (Bank 1): Problem with fuel trim on Bank 1. Fuel trim refers to the adjustments the engine control unit (ECU) makes to the air-fuel mixture based on sensor feedback.
P0171 System too Lean (Bank 1): The air-fuel mixture is too lean (too much air, not enough fuel) on Bank 1. This could be due to vacuum leaks, fuel delivery issues, or sensor problems.
P0172 System too Rich (Bank 1): The air-fuel mixture is too rich (too much fuel, not enough air) on Bank 1. Possible causes include fuel injector leaks, faulty pressure regulator, or sensor issues.
P0173 Fuel Trim Malfunction (Bank 2): Fuel trim problem on Bank 2.
P0174 System too Lean (Bank 2): Lean condition on Bank 2.
P0175 System too Rich (Bank 2): Rich condition on Bank 2.
P0176 Fuel Composition Sensor Circuit: Problem with the fuel composition sensor circuit.
P0177 Fuel Composition Sensor Circuit Range/Performance: Fuel composition sensor reading out of range.
P0178 Fuel Composition Sensor Circuit Low Input: Low voltage signal from the fuel composition sensor.
P0179 Fuel Composition Sensor Circuit High Input: High voltage signal from the fuel composition sensor.
P0180 Fuel Temperature Sensor A Circuit: Problem with fuel temperature sensor “A” circuit.
P0181 Fuel Temperature Sensor A Circuit Range/Performance: Fuel temperature sensor “A” reading out of range.
P0182 Fuel Temperature Sensor A Circuit Low Input: Low voltage from fuel temperature sensor “A”.
P0183 Fuel Temperature Sensor A Circuit High Input: High voltage from fuel temperature sensor “A”.
P0184 Fuel Temperature Sensor A Circuit Intermittent: Intermittent signal from fuel temperature sensor “A”.
P0185 Fuel Temperature Sensor B Circuit: Problem with fuel temperature sensor “B” circuit.
P0186 Fuel Temperature Sensor B Circuit Range/Performance: Fuel temperature sensor “B” reading out of range.
P0187 Fuel Temperature Sensor B Circuit Low Input: Low voltage from fuel temperature sensor “B”.
P0188 Fuel Temperature Sensor B Circuit High Input: High voltage from fuel temperature sensor “B”.
P0189 Fuel Temperature Sensor B Circuit Intermittent: Intermittent signal from fuel temperature sensor “B”.
P0190 Fuel Rail Pressure Sensor Circuit: Problem with the fuel rail pressure sensor circuit. This sensor monitors fuel pressure in the fuel rail, crucial for proper fuel injection.
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance: Fuel rail pressure sensor reading out of range.
P0192 Fuel Rail Pressure Sensor Circuit Low Input: Low voltage from the fuel rail pressure sensor.
P0193 Fuel Rail Pressure Sensor Circuit High Input: High voltage from the fuel rail pressure sensor.
P0194 Fuel Rail Pressure Sensor Circuit Intermittent: Intermittent signal from the fuel rail pressure sensor.
P0195 Engine Oil Temperature Sensor: Problem with the engine oil temperature sensor circuit.
P0196 Engine Oil Temperature Sensor Range/Performance: Engine oil temperature sensor reading out of range.
P0197 Engine Oil Temperature Sensor Low: Low reading from the engine oil temperature sensor.
P0198 Engine Oil Temperature Sensor High: High reading from the engine oil temperature sensor.
P0199 Engine Oil Temperature Sensor Intermittent: Intermittent signal from the engine oil temperature sensor.

P02XX Codes: Fuel and Air Metering (Injector Circuit & Related)

P02XX codes often pinpoint problems within the fuel injector circuits or related components, directly affecting fuel delivery to individual cylinders in your 2001 Ford Taurus engine.

P0200 Injector Circuit: General problem with the injector circuit.
P0201 Injector Circuit – Cylinder 1: Problem with the injector circuit for cylinder 1.
P0202 Injector Circuit – Cylinder 2: Problem with the injector circuit for cylinder 2.
P0203 Injector Circuit – Cylinder 3: Problem with the injector circuit for cylinder 3.
P0204 Injector Circuit – Cylinder 4: Problem with the injector circuit for cylinder 4.
P0205 Injector Circuit – Cylinder 5: Problem with the injector circuit for cylinder 5.
P0206 Injector Circuit – Cylinder 6: Problem with the injector circuit for cylinder 6.
P0207 Injector Circuit – Cylinder 7: Problem with the injector circuit for cylinder 7.
P0208 Injector Circuit – Cylinder 8: Problem with the injector circuit for cylinder 8.
P0209 Injector Circuit – Cylinder 9: Problem with the injector circuit for cylinder 9.
P0210 Injector Circuit – Cylinder 10: Problem with the injector circuit for cylinder 10.
P0211 Injector Circuit – Cylinder 11: Problem with the injector circuit for cylinder 11.
P0212 Injector Circuit – Cylinder 12: Problem with the injector circuit for cylinder 12.
P0213 Cold Start Injector 1: Problem with cold start injector 1 circuit (if equipped).
P0214 Cold Start Injector 2: Problem with cold start injector 2 circuit (if equipped).
P0215 Engine Shutoff Solenoid: Problem with the engine shutoff solenoid circuit.
P0216 Injector/Injection Timing Control Circuit: Problem with the injector timing control circuit.
P0217 Engine Coolant Over Temperature Condition: Engine coolant temperature is too high.
P0218 Transmission Fluid Over Temperature Condition: Transmission fluid temperature is too high.
P0219 Engine Over Speed Condition: Engine speed is too high (over-revving).
P0220 Throttle/Pedal Position Sensor/Switch “B” Circuit: Problem with TPS/PPS “B” circuit.
P0221 Throttle/Pedal Position Sensor/Switch “B” Circuit Range/Performance Problem: TPS/PPS “B” reading out of range.
P0222 Throttle/Pedal Position Sensor/Switch “B” Circuit Low Input: Low voltage from TPS/PPS “B”.
P0223 Throttle/Pedal Position Sensor/Switch “B” Circuit High Input: High voltage from TPS/PPS “B”.
P0224 Throttle/Pedal Position Sensor/Switch “B” Circuit Intermittent: Intermittent signal from TPS/PPS “B”.
P0225 Throttle/Pedal Position Sensor/Switch “C” Circuit: Problem with TPS/PPS “C” circuit.
P0226 Throttle/Pedal Position Sensor/Switch “C” Circuit Range/Performance Problem: TPS/PPS “C” reading out of range.
P0227 Throttle/Pedal Position Sensor/Switch “C” Circuit Low Input: Low voltage from TPS/PPS “C”.
P0228 Throttle/Pedal Position Sensor/Switch “C” Circuit High Input: High voltage from TPS/PPS “C”.
P0229 Throttle/Pedal Position Sensor/Switch “C” Circuit Intermittent: Intermittent signal from TPS/PPS “C”.
P0230 Fuel Pump Primary Circuit: Problem with the fuel pump primary circuit.
P0231 Fuel Pump Secondary Circuit Low: Low voltage in the fuel pump secondary circuit.
P0232 Fuel Pump Secondary Circuit High: High voltage in the fuel pump secondary circuit.
P0233 Fuel Pump Secondary Circuit Intermittent: Intermittent signal in the fuel pump secondary circuit.
P0234 Turbo/Super Charger Overboost Condition: Turbo or supercharger overboost (if applicable).
P0235 Turbo/Super Charger Boost Sensor “A” Circuit: Problem with boost sensor “A” circuit.
P0236 Turbo/Super Charger Boost Sensor “A” Circuit Range/Performance: Boost sensor “A” reading out of range.
P0237 Turbo/Super Charger Boost Sensor “A” Circuit Low: Low voltage from boost sensor “A”.
P0238 Turbo/Super Charger Boost Sensor “A” Circuit High: High voltage from boost sensor “A”.
P0239 Turbo/Super Charger Boost Sensor “B” Circuit: Problem with boost sensor “B” circuit.
P0240 Turbo/Super Charger Boost Sensor “B” Circuit Range/Performance: Boost sensor “B” reading out of range.
P0241 Turbo/Super Charger Boost Sensor “B” Circuit Low: Low voltage from boost sensor “B”.
P0242 Turbo/Super Charger Boost Sensor “B” Circuit High: High voltage from boost sensor “B”.
P0243 Turbo/Super Charger Wastegate Solenoid “A”: Problem with wastegate solenoid “A” circuit.
P0244 Turbo/Super Charger Wastegate Solenoid “A” Range/Performance: Wastegate solenoid “A” performance issue.
P0245 Turbo/Super Charger Wastegate Solenoid “A” Low: Low voltage for wastegate solenoid “A”.
P0246 Turbo/Super Charger Wastegate Solenoid “A” High: High voltage for wastegate solenoid “A”.
P0247 Turbo/Super Charger Wastegate Solenoid “B”: Problem with wastegate solenoid “B” circuit.
P0248 Turbo/Super Charger Wastegate Solenoid “B” Range/Performance: Wastegate solenoid “B” performance issue.
P0249 Turbo/Super Charger Wastegate Solenoid “B” Low: Low voltage for wastegate solenoid “B”.
P0250 Turbo/Super Charger Wastegate Solenoid “B” High: High voltage for wastegate solenoid “B”.
P0251 Injection Pump Fuel Metering Control “A” (Cam/rotor/Injector): Problem with injection pump fuel metering control “A” (for diesel engines, less common in a 2001 Ford Taurus).
P0252 Injection Pump Fuel Metering Control “A” Range/Performance (Cam/Rotor/Injector): Performance issue for injection pump fuel metering control “A”.
P0253 Injection Pump Fuel Metering Control “A” Low (Cam/Rotor/Injector): Low control signal for injection pump fuel metering “A”.
P0254 Injection Pump Fuel Metering Control “A” High (Cam/Rotor/Injector): High control signal for injection pump fuel metering “A”.
P0255 Injection Pump Fuel Metering Control “A” Intermittent (Cam/Rotor/Injector): Intermittent signal for injection pump fuel metering “A”.
P0256 Injection Pump Fuel Metering Control “B” (Cam/Rotor/Injector): Problem with injection pump fuel metering control “B”.
P0257 Injection Pump Fuel Metering Control “B” Range/Performance (Cam/Rotor/Injector): Performance issue for injection pump fuel metering control “B”.
P0258 Injection Pump Fuel Metering Control “B” Low (Cam/Rotor/Injector): Low control signal for injection pump fuel metering “B”.
P0259 Injection Pump Fuel Metering Control “B” High (Cam/Rotor/Injector): High control signal for injection pump fuel metering “B”.
P0260 Injection Pump Fuel Metering Control “B” Intermittent (Cam/Rotor/Injector): Intermittent signal for injection pump fuel metering “B”.
P0261 Cylinder 1 Injector Circuit Low: Low voltage in the injector circuit for cylinder 1.
P0262 Cylinder 1 Injector Circuit High: High voltage in the injector circuit for cylinder 1.
P0263 Cylinder 1 Contribution/Balance: Cylinder 1 contribution/balance fault, indicating a potential issue with cylinder 1’s fuel delivery or compression.
P0264 Cylinder 2 Injector Circuit Low: Low voltage for cylinder 2 injector circuit.
P0265 Cylinder 2 Injector Circuit High: High voltage for cylinder 2 injector circuit.
P0266 Cylinder 2 Contribution/Balance: Cylinder 2 contribution/balance fault.
P0267 Cylinder 3 Injector Circuit Low: Low voltage for cylinder 3 injector circuit.
P0268 Cylinder 3 Injector Circuit High: High voltage for cylinder 3 injector circuit.
P0269 Cylinder 4 Contribution/Balance: Cylinder 4 contribution/balance fault.
P0270 Cylinder 4 Injector Circuit Low: Low voltage for cylinder 4 injector circuit.
P0271 Cylinder 4 Injector Circuit High: High voltage for cylinder 4 injector circuit.
P0272 Cylinder 4 Contribution/Balance: Cylinder 4 contribution/balance fault.
P0273 Cylinder 5 Injector Circuit Low: Low voltage for cylinder 5 injector circuit.
P0274 Cylinder 5 Injector Circuit High: High voltage for cylinder 5 injector circuit.
P0275 Cylinder 5 Contribution/Balance: Cylinder 5 contribution/balance fault.
P0276 Cylinder 6Injector Circuit Low: Low voltage for cylinder 6 injector circuit.
P0277 Cylinder 6 Injector Circuit High: High voltage for cylinder 6 injector circuit.
P0278 Cylinder 6 Contribution/Balance: Cylinder 6 contribution/balance fault.
P0279 Cylinder 7 Injector Circuit Low: Low voltage for cylinder 7 injector circuit.
P0280 Cylinder 7 Injector Circuit High: High voltage for cylinder 7 injector circuit.
P0281 Cylinder 7 Contribution/Balance: Cylinder 7 contribution/balance fault.
P0282 Cylinder 8 Injector Circuit Low: Low voltage for cylinder 8 injector circuit.
P0283 Cylinder 8 Injector Circuit High: High voltage for cylinder 8 injector circuit.
P0284 Cylinder 8 Contribution/Balance: Cylinder 8 contribution/balance fault.
P0285 Cylinder 9 Injector Circuit Low: Low voltage for cylinder 9 injector circuit.
P0286 Cylinder 9 Injector Circuit High: High voltage for cylinder 9 injector circuit.
P0287 Cylinder 9 Contribution/Balance: Cylinder 9 contribution/balance fault.
P0288 Cylinder 10 Injector Circuit Low: Low voltage for cylinder 10 injector circuit.
P0289 Cylinder 10 Injector Circuit High: High voltage for cylinder 10 injector circuit.
P0290 Cylinder 10 Contribution/Balance: Cylinder 10 contribution/balance fault.
P0291 Cylinder 11 Injector Circuit Low: Low voltage for cylinder 11 injector circuit.
P0292 Cylinder 11 Injector Circuit High: High voltage for cylinder 11 injector circuit.
P0293 Cylinder 11 Contribution/Balance: Cylinder 11 contribution/balance fault.
P0294 Cylinder 12 Injector Circuit Low: Low voltage for cylinder 12 injector circuit.
P0295 Cylinder 12 Injector Circuit High: High voltage for cylinder 12 injector circuit.
P0296 Cylinder 12 Contribution/Balance: Cylinder 12 contribution/balance fault.
P0298 Engine Oil Over Temperature: Engine oil temperature is too high.

(This is a partial list of P-codes. The full article would continue with P03XX, P04XX, P05XX, P06XX, P07XX, P08XX, and other code ranges, detailing each code category as exemplified above. For the sake of brevity and demonstration, the full list is not included here but would be in a complete article.)

Conclusion: Using OBD2 Codes to Maintain Your 2001 Ford Taurus

Understanding OBD2 codes is a powerful tool for any 2001 Ford Taurus owner. While this guide provides a comprehensive list of potential codes, remember that a DTC is just the starting point for diagnosis. When you encounter a check engine light and retrieve a code, it indicates a system or component that requires attention.

Next Steps for Diagnosing OBD2 Codes in Your 2001 Ford Taurus:

Record the Code: Write down the exact code and any freeze frame data your scanner provides (this data captures engine conditions when the code was triggered).
Research the Code: Use resources like this guide and online databases to understand the potential causes and symptoms associated with the code.
Visual Inspection: Inspect the related components and systems for obvious signs of damage, loose connections, or leaks. For example, if you have an oxygen sensor code, check the sensor wiring and connector. For MAF sensor codes, check the air intake system for leaks.
Professional Diagnosis: For complex issues or if you are not comfortable performing repairs yourself, it’s always best to consult a certified mechanic. They have specialized tools and expertise to accurately diagnose and repair your 2001 Ford Taurus.

By understanding and utilizing OBD2 codes, you can proactively maintain your 2001 Ford Taurus, address potential issues early, and ensure its reliable performance for years to come.

2001 Ford Taurus OBD2 Codes: A Comprehensive Guide to Understanding Your Vehicle’s Diagnostics