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1996 Chevrolet Blazer 4.3L MIL Lamp on
Posted to GM Driveability on 6/14/2007 18 Replies

Vehicle runs fine, no symptoms except that the MIL comes on with in one day of clearing the codes. I am leaning towards a fuel pressure problem, but would like a second opinion due to the expense of a regulator. Fuel pressure readings listed below in test sect...

18 Replies Received (View Replies)

  Related Documents & Media  1996 Chevrolet Blazer

 
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Blazer

VIN 1GNDT13W3T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet Blazer

VIN 1GNDT13W3T
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0134Air Fuel Sensor (Bank 1 Sensor 1) Heater System Malfunction
P0153Air Fuel Sensor (Bank 2 Sensor 1) Slow Response
P0171Fuel System Too Lean (Bank 1)
P0300Multiple Misfire Detected
P1133Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Switching