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1990 Chevrolet K3500 Cheyenne 7.4L Poor Idle Quality, Misfire, Poor Fuel Economy
Customer has returned with complaint of ruff idle, low fuel mileage @ down on power when pulling hills whith slide in camper & trailer. Have run new base line test with scope & checked for codes none found. when running power balance test found #8 #3 #5 #2...
FIX posted 11/13/1999
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| VIN | 1GCGK34N6L |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Fed emissions |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Gets Worse as RPM Incresses |
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Vehicle Data
1990 Chevrolet K3500 Cheyenne
| VIN | 1GCGK34N6L |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US Fed emissions |
| Symptoms | Poor Idle Quality, Misfire, Poor Fuel Economy |
| Occurs | Gets Worse as RPM Incresses |
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