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1988 GMC Pickup K1500 5.7L Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy
I was only able to work on the truck for about 1.5 hrs with customer looking over my shoulder. The truck runs good on the road but loads up at idle to either the point it stalls or IAC opens all tyhe wya and it races. You have to step on the gas to get it star...
FIX posted 11/1/2003
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15 Replies Received
15 Replies Received
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / 12Lbs Pressure |
| Emissions | US Fed Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy |
| Occurs | Cold, Hot, Idle |
Message Closed w/FIX
Vehicle Data
1988 GMC Pickup K1500
| VIN | [No VIN Available] |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / 12Lbs Pressure |
| Emissions | US Fed Emissions |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy |
| Occurs | Cold, Hot, Idle |
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