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Results for fuel pump, P0340
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  • Forum Reply: Re: What is stopping the fuel pump

    If codes P0335 and P0340 CKP and CMP signals were not detected for 2 seconds the cam and crank sensor circuit may be shutting down the fuel due to a non-spark condition. Check the electrical circuit for something the 2 sensors have in common. 5v VREF to the sensor MFI relay Open or shorted signal circuit...