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1990 GMC C3500 Sierra SLE 7.4L Poor Idle Quality
Hello Techs, I hope you can help me with this one. The customer came in with the complaint of a 'miss' when cold, followed by rough idle when warmer. We checked the vehicle out completely: Scan, no codes, all parameters normal (coolant, tps, etc.); We ...
FIX posted 9/20/1999
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| VIN | 1GTGC34N1L |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality |
| Occurs | Cold |
| Misc. | 1 Ton (Not Dually) |
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Vehicle Data
1990 GMC C3500 Sierra SLE
| VIN | 1GTGC34N1L |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Symptoms | Poor Idle Quality |
| Occurs | Cold |
| Misc. | 1 Ton (Not Dually) |
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