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1996 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 9/20/2005 12 Replies

OK this one is killing me. This 99 Blazer is running extremely rich on cylinders 2, 4 & 6. The bank 2 sensor 1 is reading lean and not switching thus causing the rich condition. Have replaced the O2 sensor with no results. The Long term fuel trim bank 1 is -1....

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  Related Documents & Media  1996 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Blazer

VIN 1GNDT13WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Blazer

VIN 1GNDT13WXX
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected