Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the car's computer has detected a problem with the electrical circuit that controls the pump used to cool the fuel. It's like when a toy's battery connection is loose, and the toy doesn't work right.
The P008D code is triggered when the Engine Control Module (ECM) detects a low voltage condition in the fuel cooler pump control circuit.
The fuel cooler pump is responsible for maintaining the temperature of the fuel within optimal ranges by circulating coolant around the fuel lines. When the ECM detects that the voltage in the control circuit for this pump is lower than expected, it sets the P008D code. This could be due to wiring issues, a faulty pump, or a problem with the ECM itself.
• Check Engine Light illuminated
• Possible engine performance issues
• Fuel temperature higher than normal
• Faulty fuel cooler pump
• Poor electrical connection in the fuel cooler pump circuit
• Damaged wiring or connectors
• Faulty ECM
ECM: Engine Control Module
OBD-II: On-Board Diagnostics, Second Generation
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors of the fuel cooler pump for damage or corrosion.
• Test the fuel cooler pump for proper operation.
• Check the voltage and ground signals at the pump.
• Repair or replace damaged wiring or connectors.
• Replace the fuel cooler pump if faulty.
• Ensure all connections are secure and free of corrosion.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Ford F-150
• Chevrolet Silverado
• Dodge Ram
• Regularly inspect electrical connections for corrosion.
• Ensure proper maintenance of the fuel system.
• Use high-quality fuel to prevent deposits.
Sensor Issue
• Address the issue promptly to avoid further engine damage.
• Consult a professional mechanic if unsure about the repair process.
Check with your vehicle manufacturer; some repairs may be covered under warranty if the vehicle is relatively new.
This code has been more common in vehicles with higher mileage or those frequently operating in hot climates.
Moderate – It should be addressed soon to prevent potential engine performance issues.
Driving with this code may not be safe if it leads to engine overheating. Always ensure your vehicle is in good working condition.
• Engine at operating temperature
• Fuel system pressurized
The fuel cooler pump is typically located near the fuel lines, often under the vehicle or near the fuel tank.
Q: Can I drive with the P008D code?
A: It's not recommended to drive for an extended period with this code as it can lead to engine performance issues.
Q: How do I clear the P008D code?
A: After repairs, use an OBD-II scanner to clear the code. If the issue persists, the code may reappear.
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