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  • MrShift@Edmunds 05/24/08 9:40 pm PST

    PC 1406 EGR valve malfunction (or on GM cars, computer might need re-programming to ALLOW EGR to report)


    P1602....PCM to ABS module communication problem. Ditto 1571 (traction control data) and ditto PZ 2042. Looks like maybe a wiring harness, coupler or computer problem. You'd need to have a step by step diagnostic of this circuit to find the fault point.


    1347 is low freon/ AC problem

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