P0255
Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector)
P0255 is an OBD-II diagnostic trouble code meaning: Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector). Common causes: open or short circuit in the injection pump control circuit, oxidation of fuel injection pump connector contacts. Estimated repair cost: $56โ333.
Symptoms
- Unstable engine operation
- Power Loss
- Dips during acceleration
- Difficulty starting
- Increased fuel consumption
Causes
- Open or short circuit in the injection pump control circuit
- Oxidation of fuel injection pump connector contacts
- Faulty injection pump control solenoid
- Mechanical wear of fuel injection pump
- Power or grounding problems
- ECU malfunction
How to Fix
- Check the integrity of the wiring harness to the injection pump
- Clean and check fuel injection pump connectors
- Check control solenoid resistance
- Check fuel pressure and fuel injection pump performance
- Scan the ECU for additional errors
- If necessary, replace the fuel injection pump or its components
Related codes
Error P0255 by Vehicle Brand
FAQ
What does the P0255 code mean?
P0255 is an OBD-II diagnostic trouble code that indicates: Injection Pump Fuel Metering Control A Intermittent (Cam/Rotor/Injector)
What causes a P0255 error code?
The most common causes of P0255 include: Open or short circuit in the injection pump control circuit; Oxidation of fuel injection pump connector contacts; Faulty injection pump control solenoid; Mechanical wear of fuel injection pump.
How do I fix a P0255 diagnostic trouble code?
To fix P0255: Check the integrity of the wiring harness to the injection pump. Clean and check fuel injection pump connectors. Check control solenoid resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0255?
Limited driving only, diagnose soon
How much does it cost to fix P0255?
The estimated repair cost for P0255 is $56โ333. Actual cost depends on your vehicle, location, and labor rates.
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