
2004 Mercury Mountaineer 4.0L Poor Idle Quality, Hesitation, MIL Lamp on
greetings to all! this car is running rough and is not idling properly. i looked for vaccum leaks and none found. checked charge system and all checked ok. checked fuel pressure, pressure is within specs (70psi). replaced mass sensor and problems remains. do a...
FIX posted 12/12/2007
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Message Closed w/FIX
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VIN | 4M2ZU86K84 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0506 | Idle Speed Control System Lower Than Expected |
Message Closed w/FIX
Vehicle Data
2004 Mercury Mountaineer
VIN | 4M2ZU86K84 |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Hesitation, MIL Lamp On |
Occurs | Idle |
Trouble Codes
P0506 | Idle Speed Control System Lower Than Expected |