P026C
Fuel Injection Quantity A Lower Than Expected
Fuel injection quantity A is lower than the commanded amount. Often clogged or worn injector.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- Injector cloggedCommon
Parts involved
- Fuel Injectors
P026C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.