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2000 GMC C3500 HD 7.4L Poor Idle Quality
customer complains of extended crank time. we did major tune and fuel pump. long crank and slight rough idle still present. sent to local dealer, they said replace regulator and so i did. still there. found tsb on crank sensor, tried that too, still there. tru...
Summary posted 6/27/2007
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6 Replies Received
| VIN | 1GBKC34J5Y |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi port |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Message Closed w/Summary
Vehicle Data
2000 GMC C3500 HD
| VIN | 1GBKC34J5Y |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / multi port |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
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