What does code P0276 mean?

Q: What does code P0276 mean?

Cylinder 6 Injector Circuit Low. P0276 means the engine computer has detected an abnormally low voltage on the electrical circuit that operates the fuel injector for cylinder number 6. The computer commands the injector to fire, but the return voltage it monitors stays below the expected threshold, indicating a short to ground, a faulty injector, or a wiring problem.

DTC codes / P02xx · Fuel and air metering (injector circuits) / P0276

P0276Cylinder 6 Injector Circuit Low

P0276 means the engine computer has detected an abnormally low voltage on the electrical circuit that operates the fuel injector for cylinder number 6. The computer commands the injector to fire, but the return voltage it monitors stays below the expected threshold, indicating a short to ground, a faulty injector, or a wiring problem.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaFuel and air metering (injector circuits)

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.