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P008E OBD2: Fuel Cooler Pump Control Circuit High

P008E OBD2: Fuel Cooler Pump Control Circuit High

The P008E OBD-II code indicates a problem with the fuel cooler pump control circuit, specifically signaling that the circuit has high voltage. This issue can affect the fuel cooling system and potentially lead to performance issues if not addressed.

What Does the P008E Code Mean?

The P008E code is set when the Powertrain Control Module (PCM) detects an incorrect signal from the fuel cooler pump. The fuel cooler pump plays a crucial role in lowering the temperature of the fuel returning to the tank by using engine coolant.

What Causes the P008E Code?

Several factors can lead to the P008E code being triggered, including:

  • Fuel cooler pump failure
  • Powertrain Control Module (PCM) failure
  • Wiring issues related to the fuel cooler pump

What Are the Symptoms of the P008E Code?

Common symptoms associated with the P008E code may include:

  • Check Engine Light illuminated
  • Decreased fuel efficiency
  • Engine performance issues
  • Possible overheating of the fuel system

How Serious Is the P008E Code?

While the P008E code is classified as a moderate severity issue, it is important to address it in a timely manner. Although it may not pose an immediate threat to vehicle safety or functionality, neglecting it could lead to more significant problems down the road.

How to Diagnose the P008E Code

To properly diagnose the P008E code, a mechanic will typically perform the following steps:

  • Use an OBD-II scanner to confirm the presence of the P008E code.
  • Inspect the wiring and connectors related to the fuel cooler pump for damage or corrosion.
  • Test the fuel cooler pump to ensure it is functioning correctly.
  • Check the PCM for any faults or software issues.

Common Repairs for the P008E Code

Common repairs that may be needed to resolve the P008E code include:

  • Replacing the fuel cooler pump.
  • Repairing or replacing damaged wiring or connectors.
  • Reprogramming or replacing the PCM if necessary.

How Much Does It Cost to Fix the P008E Code?

The cost to repair the P008E code can vary widely depending on the underlying issue. On average, repairs can range from $100 to $800, which includes parts and labor. A detailed diagnosis will provide a more accurate estimate.

Can I Fix the P008E Code Myself?

While some experienced DIY enthusiasts may be able to address minor wiring issues or replace the fuel cooler pump themselves, it is recommended to consult with a professional mechanic for proper diagnosis and repair of the P008E code. This ensures that the problem is accurately resolved and prevents further complications.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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