P1238
Fuel Pump Secondary Circuit Fault
Severity
⚠️ MediumCan you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)
Symptoms
- Difficulty starting the engine
- Rough idling
- Loss of power during acceleration
- Stalling engine
- Increased fuel consumption
Causes
- Fuel pump malfunction
- Problems with the fuel pump relay
- Open or short circuit in wiring
- Engine control unit malfunction
- Poor contact in connectors
How to Fix
- Check the condition of the fuel pump
- Check fuel pump relay
- Check the integrity of wiring and contacts
- Check fuses related to the fuel system
- If necessary, replace the fuel pump or relay