P0089
High severityFuel Pressure Regulator Performance
The fuel pressure is not matching what the ECM has commanded. This can cause hard starting, poor acceleration, stalling, or engine running rough, particularly on common rail diesel systems.
Get a full AI diagnosis for your vehicle
Enter your reg plate and fault code — Velocito.ai cross-references technical databases, MOT history, manufacturer recalls, and known fixes to pinpoint the exact cause.
Common causes of P0089
+2 more causes
Get all causes ranked by likelihood for your specific vehicle — plus the cheapest confirming test for each.
Diagnose P0089 freeCommonly affected vehicles
P0089 can appear on any vehicle — these are the makes where it is most frequently reported.
Full diagnosis report
Unlock the full report
Enter your reg plate to get causes ranked for your specific vehicle, confirming tests, recall checks, and known fixes.
Try 3 free searchesStop guessing. Start diagnosing.
Enter your reg plate and P0089 — get a full diagnostic report in seconds.
Try 3 free searches