OBD-II code · Powertrain (generic)
P0094 Fuel System Leak Detected - Small Leak
A small fuel system leak detected by long-term pressure drop pattern. Often a slowly weeping injector or hairline crack in a fitting.
Is it safe to drive with P0094?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyInjector seal slowly leaking
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Lines, Injector Seals
Related codes
- P0091Fuel Pressure Regulator A Control Circuit Low
- P0092Fuel Pressure Regulator A Control Circuit High
- P0093Fuel System Leak Detected - Large Leak
- P0095Intake Air Temperature Sensor 2 Circuit Bank 1
- P0096Intake Air Temperature Sensor 2 Circuit Range/Performance Bank 1
- P0097Intake Air Temperature Sensor 2 Circuit Low Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.