P1325 – Fuel Pressure Regulator Stuck Open
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Symptoms
- Hard starting
- Stalling
- Weak acceleration
- Lean condition
Causes
- Stuck regulator
- Weak spring
- Fuel leak
- Return line issue
Diagnosis
- Measure fuel pressure
- Inspect regulator
- Check for leaks
- Scan ECU
Repair
- Replace regulator
- Repair leaks
- Fix return line issues