P008F - OBD Trouble Code

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When a P008F trouble code sets, you may notice that the engine coolant temperature sensor might fail defects in the fuel temperature sensor, powertrain control module failure and some major issues with the wiring.

OBD-II Code P008F is defined as a Engine Coolant Temperature/Fuel Temperature Correlation

The error code P008F Power Control Module failure is described as a Engine Coolant Temperature/Fuel Temperature Correlation. The temperature of the engine coolant is shared by the engine coolant temperature sensor to the powertrain control module. And the temperature of the fuel is conveyed to the PCM by the fuel temperature sensor. It is very important to determine if one or both of the sensors have lost their calibration or not, that’s why the PCM compares the two sensors. Now if any one or both the sensors have lost their calibration, then the P008F trouble code would start triggering.

What causes this problem with the Engine Coolant Temperature/Fuel Temperature Correlation?

• Some sort of problems in the engine coolant temperature sensor
• Engine Coolant Temperature Sensor harness may become opened or shorted
• Bad electrical connection in the Engine Coolant Temperature Sensor circuit
• Issues with the fuel temperature sensor
• Fuel Temperature sensor harness is open or shorted
• Fuel Temperature sensor circuit may start poor electrical connection
• Faults in the Powertrain Control Module

1. Engine Coolant Temperature Sensor - The P008F code can also arise due to some issues in Engine Coolant Temperature Sensor. So, it is advised to replace them as soon as possible.
2. Engine Coolant Temperature Sensor Harness - P008F code does not really end up spoiling your engine control module, but it might also accompany few Engine Coolant Temperature Sensor Harness issues. We have best Engine Coolant Temperature Sensor Harness related parts with us.
3. Fuel Temperature Sensor - Common cause behind this P008F error code can be some fault in Fuel Temperature Sensor. So, it will be a good decision to replace them now.
4. Fuel Temperature Sensor Harness - Are you facing OBD Error Code P008F? Don’t worry as you can fix this issue with new Fuel Temperature Sensor Harness. We care for our customers, that’s why we have Fuel Temperature Sensor Harness for every make and model.
5. Powertrain Control Module - Fuel Temperature Sensor is perfectly fine but still but having that trouble code P008F flashing? In such a situation your Powertrain Control Module might be faulty. Why don’t you think of getting that replaced?
6. Diagnostic Tool - These tools help to identify and diagnose problem related to error code P008F. Visit us today to buy quality diagnostic tools.
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Common Symptoms

• Check engine light may start illuminating
• Lack of power in the engine
• Decrease in the amount of fuel economy
• Reduction in the engine performance
• Diminishing fuel efficiency
• Excessively rich exhaust

Here are the most common ways with which you can correct a P008F error code:

• You can always repair or replace a damaged fuel cooler pump wiring
• Repairing or replacing damaged fuel cooler circuit wiring
• The fuel cooler pump should be replaced

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• If there are any stored ECT sensor related codes, then it would help you to be sure that your car engine is not overheating. Make sure that it has full amount of coolant as is operating within the acceptable temperature guidelines. Now your next step would be to visually inspect the ECT sensor and fuel temperature sensor system wiring and connectors if your car engine is not overheating.
• Before you start to diagnose the P008F code, you must have a diagnostic scanner, a digital volt/ohmmeter (DVOM), an infrared thermometer with a laser pointer, and a source of reliable vehicle information.
• Now the scanner to the vehicles diagnostic port should be connected and all the stored codes and freeze frame data should be retrieved. An important step here is to gather the information and write is down as it would be very helpful when you will go deeper in the diagnostic process. Later clear the codes and take a test drive of the vehicle to check if the code is reset.
• Obtain the wiring diagrams, connector pin out charts, component testing specifications, and connector views with the help of vehicle information source. This gathered information would help you a lot in testing individual circuit and sensors.
• The ECT and fuel temperature sensors should be tested and for that you can always use the DVOM and any other source of reliable vehicle information. Then you must follow component testing specifications, disconnect the sensor to be tested, and place the DVOM on the ohms setting
• If the correct degree of voltage is reflected by the individual sensor signal circuits, then you must use DVOM to test the signal circuit at the PCM connector if there is no sensor signal at the PCM connector but it is detected at the sensor connector, then there is an existence of the open circuit between the two components.

Common Mistakes When Diagnosing The P008F Code

A P008F may be an intermittent issue from wear and tear. It is very simple to get rid of this code, this can be simply done by clearing it, running fuel treatment, and by fully resetting the engine computer.