P0089 – Fuel Pressure Regulator Performance
Description
The ECM detects abnormal fuel pressure regulator operation.
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Compare Diagnostic ScannersSymptoms
- Poor acceleration
- Engine stalls
- Hard starting
- High fuel consumption
Causes
- Faulty fuel pressure regulator
- Weak fuel pump
- Clogged fuel filter
- Fuel line restriction
Diagnosis
- Measure fuel pressure
- Inspect regulator
- Check pump operation
- Inspect fuel lines
Repair
- Replace fuel pressure regulator
- Replace fuel pump
- Replace fuel filter
- Repair fuel line restrictions
