 
				
	| 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
 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 | 
 12 Replies Received
12 Replies Received
 12 Replies Received
          12 Replies Received
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