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P1641 Diagnostic Trouble Code Discussion for October 2004

MIL Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1641
Help Request Posted
1997 GMC C3500 Sierra SL 6.5L No Start, Stall VIN: 1GDJC34F9V
P1641: MIL Control Circuit Malfunction. ... no reason that we can find. some days it is fine, and other after driving and letting is set it will start, idle fine, then stall. when it stalls it is not like it is running out of gas, but like someone has pulled the b+ lead off of an ignition coil. when...
October 28, 2004