P0255 - Injection Pump Fuel Metering Control A Range/Performance

Injection Pump Fuel Metering Control A feedback is unstable or out of range.

Code Overview

Injection Pump Fuel Metering Control A feedback is unstable or out of range.

Common Causes

• Injection pump control fault
• Damaged wiring or connector
• Fuel control actuator or driver issue

Diagnostic Steps

1. Inspect the injection pump control connector and harness
2. Check power, ground, and command signal if accessible
3. Look for related fuel-pressure or timing-control codes

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.