DTC code
P0094
Fuel System Leak Detected - Small Leak
Technical guide
Symptoms
- Hard start
- rough running
- power loss
Probable causes
- Fuel system small leak detected
- minor internal injector leak
- fuel pressure regulator slight leak
- HPFP minor wear
Diagnostic steps
- Read live rail pressure — check for slow pressure drop at idle.
- Test injector return rates.
- Replace injectors with excess return flow.
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 P0094
Nothing confirmed yet for this code. No guess is offered on purpose.
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