
1996 Chevrolet Blazer 4.3L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
came in with these codes p0153, p0154, p0155 low or slow, o2 sensor activity. also had 02 heater circuit. replaced bank 2 sensor with no change. I can't determine if its the ijector assmebly or the computer. fuel trim is at 128 on one side and 138 on bank 2. i...
FIX posted 10/7/2004
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Message Closed w/Summary
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VIN | 1GNDT13WXT |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0153 | Air Fuel Sensor (Bank 2 Sensor 1) Slow Response |
P0154 | Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
Message Closed w/Summary
Vehicle Data
1996 Chevrolet Blazer
VIN | 1GNDT13WXT |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0153 | Air Fuel Sensor (Bank 2 Sensor 1) Slow Response |
P0154 | Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |
P0155 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction |