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International Automotive Technicians Network
1995 Chevrolet Blazer 4.3L MIL Lamp on
Posted to GM Driveability on 7/29/2000

Fellow techs, this car only sets code once in a while. Once every couple Months But recently it deveolped a slight missfire under light load. We replaced plugs, wires , cap and rotor (all showed signs of arcing) and O2 sensors. MIL light still comes on sets on...

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car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNCT18W2S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI F.I.
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot

Trouble Codes

P0172Fuel System Too Rich (Bank 1)
Message Closed

car Vehicle Data

1995 Chevrolet Blazer

VIN 1GNCT18W2S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI F.I.
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursHot

Trouble Codes

P0172Fuel System Too Rich (Bank 1)