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1997 Chevrolet Blazer 4.3L Hesitation, Misfire, MIL Lamp on
One yr later here it sits with the same p0300 and its misfiring on cyl #3 & #4. #4 is the worst with a count of over 1700. #3 is around 350 and all others are at 0. ive watched the o2 sensors. post cat sensor indicates bad cat. Checked for back pressure no mor...
FIX posted 11/6/2009
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Related Documents & Media | VIN | 1GNCS13W1V |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Under Load |
| Misc. | Current ECM Cal |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
1997 Chevrolet Blazer
| VIN | 1GNCS13W1V |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / CSFI |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Misfire, MIL Lamp On |
| Occurs | Under Load |
| Misc. | Current ECM Cal |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
| P0300 | Multiple Misfire Detected |
Video