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P1406 Diagnostic Trouble Code Discussion for October 2006

EGR Valve Pintle Position Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1406
Help Request Posted
1997 Chevrolet C1500 4.3L Poor Idle Quality, Hesitation VIN: 1GCEC14W7V
P1406: EGR Valve Pintle Position Circuit Malfunction. Please Help !!! when the truck can in, the Mil was not on. Scaned found no code's. tps on data found no voltage at closed throttle, wot 0.6 .Mil still not on. took out tps and found no spring tention, replaced tps and found no voltage, wot there is 0.6 volt st...
October 05, 2006
1994 Buick LeSabre Custom 3.8L Misfire, MIL Lamp on VIN: 1G4HP52L1R
P1406: egr. Hey group,got G M troubles again,came in missing while driveing under a load, can also power brake in shop and get same concern.checked for TSBs none found for this concern.looked at pids found tp sticking so we replaced that knowing it would not fix concern b...
October 30, 2006