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1997 Chevrolet Astro 4.3L Poor Idle Quality, Surge, Cuts out, Misfire, Poor Fuel Economy, MIL Lamp on
I am stumped on this and could use some help , this van has random miss fire , but more on cyl # 3 and # 5 , o2 sensors both check ok but show miss fire signs, secondary is high at idle- from 18 kv and unsteady to 25 kv , snap higher and lots of turbulance and...
FIX posted 10/25/2003
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Message Closed w/FIX
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9 Replies Received
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Related Documents & Media | VIN | 1GNDM19WXV |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / cfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Cuts Out, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always, Cold, Hot, Under Load, on Accel, Cruise, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
1997 Chevrolet Astro
| VIN | 1GNDM19WXV |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / cfi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Cuts Out, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always, Cold, Hot, Under Load, on Accel, Cruise, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video