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P0339Powertrain (P)generic

Crankshaft Position Sensor A Circuit Intermittent

The crankshaft position sensor is losing connection intermittently, causing the signal to drop out and come back unpredictably. This on-and-off problem makes it hard for the engine computer to maintain steady timing, resulting in hesitation, stumbling, or occasional misfires. The sensor or connector should be inspected for loose or corroded contacts.

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