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1995 Mercury Mystique 2.0L Poor Idle Quality, Surge
Posted to Ford Driveability on 9/6/2001 6 Replies

Needs some help on this [...] idle the o2 sensor intermitently reads -12mv and never goes into closed loop. I have checked for codes but none are [...] other tech that was working on this car replaced the IAc valve and o2. I have relaced the o2 again and still...

6 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1995 Mercury Mystique

VIN [No VIN Available]
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursAlways, Idle
Message Closed w/FIX

car Vehicle Data

1995 Mercury Mystique

VIN [No VIN Available]
Engine2.0 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursAlways, Idle