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1995 Mercury Mystique LS Young America 2.5L Surge, high idle
Posted to Ford Driveability on 2/5/2002 10 Replies

On cold start engine idles high, 2000 rpm, but does come down after 1 or 2 mins. But when driving the car starts to accel on its own around 50mph, if you put into neutral at this point the car revs to [...], and if you snap throttle the car will rev to over 50...

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car Vehicle Data

1995 Mercury Mystique LS Young America

VIN 3MELM66L2S
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsNot OBD-II Compliant
SymptomsSurge, High Idle
OccursCold, Hot, Idle, Intermittently, While Cruising
Misc.V-6
Message Closed w/FIX

car Vehicle Data

1995 Mercury Mystique LS Young America

VIN 3MELM66L2S
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsNot OBD-II Compliant
SymptomsSurge, High Idle
OccursCold, Hot, Idle, Intermittently, While Cruising
Misc.V-6