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2004 Mercury Mountaineer 4.0L Poor Idle Quality, Hesitation, MIL Lamp on
Posted to Ford Driveability on 12/4/2007 7 Replies

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...

7 Replies Received (View Replies)

  Related Documents & Media  2004 Mercury Mountaineer

 
Message Closed w/FIX

car Vehicle Data

2004 Mercury Mountaineer

VIN 4M2ZU86K84
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursIdle

Trouble Codes

P0506Idle Speed Control System Lower Than Expected
Message Closed w/FIX

car Vehicle Data

2004 Mercury Mountaineer

VIN 4M2ZU86K84
Engine4.0 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, MIL Lamp On
OccursIdle

Trouble Codes

P0506Idle Speed Control System Lower Than Expected