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P1406 Diagnostic Trouble Code Discussion for January 2012

EGR Valve Pintle Position Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1406
Help Request Posted
1997 Buick LeSabre Limited 3.8L MIL Lamp on VIN: 1G4HR52K9V
P1406: EGR Valve Pintle Position Circuit Malfunction. Hello fellow Iatn members. I have this Buick that keeps popping up a 1406 code. While viewing live data, I see the valve position at idle is at 2% while desired is 0%. I have verified that there is no restriction on the intake side of the valve and no back pre...
January 27, 2012
1997 Buick LeSabre Limited 3.8L MIL Lamp on VIN: 1G4HR52K9V
P1406: EGR Valve Pintle Position Circuit Malfunction. Hello fellow Iatn members. I have this Buick that keeps popping up a 1406 code. While viewing live data, I see the valve position at idle is at 2% while desired is 0%. I have verified that there is no restriction on the intake side of the valve and no back pre...
January 27, 2012