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2000 Chevrolet Express 3500 6.5L Poor Idle Quality, Surge
"need some help techs" engine starts rocks idel up and down if i unplug opp/temp at top of pump engine will idel norm.i have my 5 volt ref on yellow and gray wire from pcm please give input i did change opp/temp with known good all grounds were clean and good ...
FIX posted 4/1/2009
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Related Documents & Media | VIN | 1GBHG32F8X |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / ele pump |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Idle |
Message Closed w/FIX
Vehicle Data
2000 Chevrolet Express 3500
| VIN | 1GBHG32F8X |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / ele pump |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge |
| Occurs | Idle |
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