OBD codes / P0285
P0285
ModerateCylinder 9 Injector Circuit Low
Get it looked at soon to avoid further wear.
Likely causes
- short to ground in the injector circuit
- faulty injector
- wiring/connector fault
Common fixes
- inspect the cylinder 9 injector wiring
- replace the injector if faulty
Seeing P0285 on your car? Get a diagnosis specific to your exact year, make and model.
Diagnose P0285 for my vehicleGeneric OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.