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	 1985 Mercury Marquis 3.8L Stumble 
		
		checked map,tps,coolant sensor,volume and fuel pressure,cup and rotor,performed koer test code 43 came up,this is an old car with 55 000 miles in pretty good shape, need help and [...] you . 
                        
                            FIX posted 3/3/2017
                             
                 
                            
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| VIN | 1MEBP8936F | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 3-speed Automatic | 
| Delivery | Fuel Injection / throttle body 2 injectors | 
| Emissions | us fed | 
| Symptoms | Stumble | 
| Occurs | Under Load | 
Trouble Codes
| 43 | 02 sensor lean condition at wot koer | 
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 Vehicle Data
                1985 Mercury Marquis
| VIN | 1MEBP8936F | 
| Engine | 3.8 L / 6 cyl / GAS | 
| Trans | 3-speed Automatic | 
| Delivery | Fuel Injection / throttle body 2 injectors | 
| Emissions | us fed | 
| Symptoms | Stumble | 
| Occurs | Under Load | 
Trouble Codes
| 43 | 02 sensor lean condition at wot koer | 
                            
11 Replies Received
          11 Replies Received
          
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