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1989 Chevrolet R2500 Suburban Scottsdale 7.4L Poor Idle Quality, Misfire
Customer did his own valve job. Now truck won't run. After we looked at the truck now we want to run. The truck back fires and dies at all speeds. With the timing connector unpluged the truck runs fine. We have cleaned and moved the 2 computor grounds,replaced...
Summary posted 4/14/2001
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| VIN | 1GNGR26N3K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always |
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Vehicle Data
1989 Chevrolet R2500 Suburban Scottsdale
| VIN | 1GNGR26N3K |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / TBI |
| Emissions | US FED |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Always |
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