1991 Pontiac Sunbird LE 3.1L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall
this car seems to have rough idle once it goes into closed loop. intergrator drops to 85 and block learn stays at 100. with the probe HC reads great at 2000 RPM and CO is great .2 but when relasing the throttle the HC & CO goes up and down. So bad sometimes 8-...
FIX posted 1/24/2005
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Message Closed w/FIX
Vehicle Data1991 Pontiac Sunbird LE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1991 Pontiac Sunbird LE
VIN | 1G2JB11T8M |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI / mpi |
Emissions | canadian |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall |
Occurs | Always, Idle, Intermittently |
Misc. | 2Dr |
Trouble Codes
45 | rich condition |