What does code P0280 mean?
High signal detected in injector circuit for cylinder 7
OBD-II Code
P0280 — Cylinder 7 Injector Circuit High
High signal detected in injector circuit for cylinder 7
Common symptoms
- Rich mixture
- fuel odor
- misfires
Possible causes
- Signal shorted to voltage
- stuck injector
Initial recommendation
Inspect harness, measure resistance and replace injector if needed.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0280 with your vehicle's actual symptoms for more complete diagnostic guidance.
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