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1997 Chevrolet Venture LS 3.4L Poor Idle Quality, Misfire
Vehicle came in running bad with a coolant leak in the lwr intake. I replaced the intake gaskets rockers and pushrods. No more coolant leak, but it still runs rough at idle. I smoked the system and can't find any leaks. Under a load It runs good, but idles ver...
FIX posted 10/17/2007
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18 Replies Received
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Related Documents & Media | VIN | 1GNDX03EXV |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Idle |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
Message Closed w/FIX
Vehicle Data
1997 Chevrolet Venture LS
| VIN | 1GNDX03EXV |
| Engine | 3.4 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire |
| Occurs | Idle |
Trouble Codes
| P0121 | Throttle Position Sensor Range/Performance |
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