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Thread: 14? GT Aftermarket Return Fuel System Readiness Monitor Question

  1. 10-14-2020 #1
    NickJRE
    NickJRE is offline
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    14? GT Aftermarket Return Fuel System Readiness Monitor Question

    Car has a return system and fails the fuel system readiness check. On 11/12 cars from what I’ve seen this isn’t too difficult of a fix. But on this 14 car it appears if the fuel system test does not run or does not pass, the catalyst test will not run from what I can see on a scanner.

    Does anyone know where the ECM is pulling the test voltages from that show in the Mode 6 test? Has anyone seen the monitor successfully set with an aftermarket return system on a 14?
    Last edited by NickJRE; 10-14-2020 at 08:08 PM.
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