P0268
Cylinder 3 Injector Circuit High
Cylinder 3 Injector Circuit High: the signal voltage is above the expected range. This affects fueling of the associated cylinders.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Injector circuit shorted to supplyCommon
- Wiring or connector faultPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Fuel Injector
- Injector Wiring
P0268 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.