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DTC codes / P2Exx · Hybrid propulsion / P2E5F
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.
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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