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1998 Mercury Mountaineer 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on
This vehicle has a definate misfire all of the time. Found codes 301,303,304,305, and 171. Pulled plugs out and found five and one soaked with gas. Inj. test good, fuel presure within specs and does not lose pressure when I shut the key off.I have checked for ...
FIX posted 7/21/2002
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Message Closed w/FIX
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13 Replies Received
13 Replies Received
Related Documents & Media | VIN | 4M2ZU54E1W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0301 | Cylinder 1 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
Message Closed w/FIX
Vehicle Data
1998 Mercury Mountaineer
| VIN | 4M2ZU54E1W |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0301 | Cylinder 1 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0305 | Cylinder 5 Misfire Detected |
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