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1991 GMC C1500 Sierra 5.7L Poor Idle Quality
my truck runs great when it cold, when its hot and at Idle it runs about 550 to 600 RPMs and idles poor at stop lights. When I drive down the freeway or the street it runs good and strong. I've replaced all new sensors, thermostat, Idle control soleinoid, TBI ...
FIX posted 3/24/2002
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Related Documents & Media | VIN | 2GCEC19K9N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | CA Emissions |
| Symptoms | Poor Idle Quality |
| Occurs | Always, Hot, Idle |
| Misc. | 2 Door, Ext Cab, |
Message Closed w/FIX
Vehicle Data
1991 GMC C1500 Sierra
| VIN | 2GCEC19K9N |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | CA Emissions |
| Symptoms | Poor Idle Quality |
| Occurs | Always, Hot, Idle |
| Misc. | 2 Door, Ext Cab, |
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