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1999 Mercury Mountaineer 4.0L Poor Idle Quality, Hesitation, Surge, Misfire
Hello everyone. Have this mountaineer Im trying to sort out for our alignment man here at the shop. He put all parts listed on it and still not fixed. He says very intermittently while driving at 30 or above the power just drops off and misfires and sputters t...
Summary posted 3/28/2013
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27 Replies Received
27 Replies Received
Related Documents & Media | VIN | 4M2ZU54E4X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Misfire |
| Occurs | Hot, Cruise, Idle, Intermittently |
| Misc. | Awd |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/Summary
Vehicle Data
1999 Mercury Mountaineer
| VIN | 4M2ZU54E4X |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Misfire |
| Occurs | Hot, Cruise, Idle, Intermittently |
| Misc. | Awd |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video