Powertrain
generic / SAE
P026D
Fuel Injection Quantity A Higher Than Expected
Fuel injection quantity A is higher than commanded — often a leaking injector or stuck-open nozzle.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 6D
Possible causes
- Injector leaking or stuck open high
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–2000 €
- Estimated time: 1.5–8 h
- Component: fuel injectors
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012