1996 Pontiac Grand Am GT 3.1L Poor Idle Quality, MIL Lamp on
this one has got me baffled. aftrer replacing pcm and egr we stiil have the same problem. at idle, the egr valve is open 20%. the pcm is not commanding it open, and we ran it with the exhaust removed with same [...] could be causing the valve to open? we plugg...
FIX posted 3/2/2004
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Message Closed w/FIX
Vehicle Data1996 Pontiac Grand Am GT
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1996 Pontiac Grand Am GT
VIN | 1G2NW52M9T |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MPI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, MIL Lamp On |
Occurs | Always |
Trouble Codes
P1406 | EGR Valve Pintle Position Circuit Malfunction |