Powertrain
generic / SAE
P0093
Fuel System Leak Detected - Large Leak
The ECU detected a large leak in the fuel system. Rail pressure cannot be maintained, often visible as fuel odor or visible drips.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 93
Possible causes
- Fuel line cracked or fitting loose high
- Injector O-ring failed medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 150–1500 €
- Estimated time: 1–6 h
- Component: fuel lines
- Component: fuel rail
- Component: injector seals
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012