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1996 Chevrolet Blazer 4.3L MIL Lamp on
Posted to GM Driveability on 8/10/2012 18 Replies

Have a 96 blazer 4.3 liter. Need some insight from the GM techs out there. Keeps setting p0143 for post cat o2 low voltage. The truck has the correct catalytic converter and the correct rear o2 sensor. Sometimes it takes 2 days for the code to return, but it a...

18 Replies Received (View Replies)

  Related Documents & Media  1996 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Blazer

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Blazer

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways