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DTC codes / P2Exx · Hybrid propulsion / P2E5F

P2E5FCylinder 7 Alternative Fuel Misfire Detected

P2E5F indicates that the engine control module has detected a misfire on cylinder 7 while the engine is operating on an alternative fuel such as compressed natural gas, propane, or E85. The module monitors crankshaft speed fluctuations and identifies that cylinder 7 is not contributing power evenly, which can be caused by ignition, fuel delivery, or mechanical faults specific to that cylinder.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaHybrid propulsion

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

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