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1991 Chevrolet C1500 Cheyenne 4.3L Poor Idle Quality, Stall
The truck runs well, idles smoothly in park, but will not idle in gear. Scan tool shows IAC counts drop when shifter moves from park position. IAC counts 27 at idle in park, but slowly drop when PRNDL switch moves. Does not require trans gear engagement to ach...
FIX posted 4/13/2006
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Message Closed w/FIX
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18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 1GCEC14Z3M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | In Gear |
Message Closed w/FIX
Vehicle Data
1991 Chevrolet C1500 Cheyenne
| VIN | 1GCEC14Z3M |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality, Stall |
| Occurs | In Gear |
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