
1999 Mercury Mountaineer 4.0L Poor Idle Quality, Misfire, MIL Lamp on
Thanks for the help in advance. A buddy of mine just put a used engine in this vehicle, he has never heard it run before the engine swap. Runs rough, has 0171 and 0174 codes for lean condition. cleaned maf with no change. he tried two other maf sensors and no ...
FIX posted 9/30/2011
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Message Closed
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VIN | 0824109487 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
Message Closed
Vehicle Data
1999 Mercury Mountaineer
VIN | 0824109487 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |