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1991 GMC K2500 Sierra SLE 5.7L Poor Idle Quality, Surge, Stall
Truck will start and run fine until after it is warm. Then when you let it idle in park the rpm's slowly drop to about 500. I can watch the iac drop with it to about 10 counts. Then the idle will surge up a little and then die. It seems as if the computer is c...
FIX posted 6/16/2006
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GTFK24K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 Fed |
| Symptoms | Poor Idle Quality, Surge, Stall |
| Occurs | Hot, Idle |
Message Closed w/FIX
Vehicle Data
1991 GMC K2500 Sierra SLE
| VIN | 1GTFK24K3M |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | OBD1 Fed |
| Symptoms | Poor Idle Quality, Surge, Stall |
| Occurs | Hot, Idle |
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