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P1406 Diagnostic Trouble Code Discussion for June 2004

EGR Valve Pintle Position Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1406
Help Request Posted
1997 Chevrolet C1500 Cheyenne 5.7L MIL Lamp on VIN: 2GCEC19R9V
P1406: EGR Valve Pintle Position Circuit Malfunction. This truck has a p1406 code for auxilary emissions malfunction and I have not been able to find any good diagnostic help for this code. Just hoping that someone else has encountered this and can point me in the right direction. The truck runs fine but the SES ...
June 16, 2004