
2000 Chevrolet Blazer LS 4.3L Misfire, Poor Fuel Economy, MIL Lamp on
Owner complains of rough run and poor fuel eco. When I scan trim after driving a while they appear normal values less than 5% both banks. but when I WOT once or twice the B1 values go to 50.00% and will not come down untill you drive for a while. All plugs/ign...
FIX posted 4/5/2005
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Message Closed w/FIX
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VIN | 1GNDT13W4Y |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2000 Chevrolet Blazer LS
VIN | 1GNDT13W4Y |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0300 | Multiple Misfire Detected |