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1998 Mercury Mountaineer 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out
Vehiche starts fine, idles a little rough short term trims about 13 %, will drive at hiway speed but will not rwev over about 3000 RPM no codes,cuts out like starving for fuel going up hills, but O2 sensors are still switching and no lean codes, does not adjus...
Summary posted 5/9/2013
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Related Documents & Media | VIN | 4M2ZU54EXW |
| 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, Cuts Out |
| Occurs | Always |
Message Closed w/Summary
Vehicle Data
1998 Mercury Mountaineer
| VIN | 4M2ZU54EXW |
| 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, Cuts Out |
| Occurs | Always |
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