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DTC codes / P2Axx · Hybrid propulsion / P2A17
P2A17 indicates that the engine control module has detected an out-of-range or performance fault in the fuel metering control circuit for injection pump circuit D, which typically involves the cam, rotor, or injector interface. The computer monitors the commanded fuel quantity versus the actual response and sets this code when the signal or actuator performance falls outside the expected window.
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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