P0506 Diagnostic Trouble Code Discussion for December 2007
Idle Speed Low Performance
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| Help Request | Posted | |
| 2004 Mercury Mountaineer 4.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 4M2ZU86K84 P0506: idle control system rpm below expected. 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... |
December 04, 2007 |
