Error Code P2687: Problems and Solutions
Meaning of Code P2687
Code P2687 is associated with the fuel feed heater.
The Powertrain Control Module (PCM) monitors the control circuit of this component. If the fuel feed heater control signal falls outside factory specifications, the PCM triggers error code P2687.
Possible Symptoms
- Check engine light on (or “service engine soon” warning light).
Possible Causes
- Faulty fuel feed heater.
- Open or shorted heater wiring harness.
- Poor electrical connection in the fuel feed heater circuit.
How to Fix Code P2687?
- Check the possible causes mentioned above.
- Visually inspect the wiring harness and associated connectors.
- Look for damaged components (burned, cracked wires, melted insulation).
- Examine connectors for broken, bent, pushed out, or corroded pins.
- Test wiring continuity and circuit voltage using a multimeter.
- Replace the fuel feed heater if necessary.
If the problem persists after these checks, it is recommended to consult a professional for a thorough diagnosis.