DTC code
P0089
Fuel Pressure Regulator Performance
Technical guide
Symptoms
- Rough idle
- hesitation
- check engine light
Probable causes
- Fuel pressure regulator performance fault
- FPR valve wear
- fuel rail pressure erratic
Diagnostic steps
- Check live rail pressure stability.
- Clean or replace FPR.
- Check HPFP output.
Cross-checked technical synthesis (QA). It does not replace the manufacturer's procedure.
AI here is a librarian: this page shows only what mechanics confirmed, or says “unknown”. It never suggests a diagnosis — MECCANIC interprets the code, never your car.
0 confirmed cases on P0089
Nothing confirmed yet for this code. No guess is offered on purpose.
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