DTC codes / P2Exx · Hybrid propulsion / P2E83
P2E83 is a generic powertrain code that indicates the engine control module has detected a fuel rail pressure performance problem specifically when the engine is off. The computer is comparing the expected fuel rail pressure decay after engine shutdown against the actual measured pressure and finding it outside the acceptable range.
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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