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2002 Mercury Cougar 2.5L Excessive Emissions, Hesitation, Surge, Cuts out, Misfire
Posted to Ford Driveability on 8/18/2006 12 Replies

This car missfires under load like a plug wire ign. patterns are same on all cylinders not only one is effected. Air fuel ratio indicates lean mixture with a 16-1 ratio. We replaced fuel pump and filter with ford parts and still the same thing. Wondering about...

12 Replies Received (View Replies)

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car Vehicle Data

2002 Mercury Cougar

VIN 1ZWFT61L12
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Surge, Cuts Out, Misfire
OccursUnder Load, on Accel
Message Closed w/FIX

car Vehicle Data

2002 Mercury Cougar

VIN 1ZWFT61L12
Engine2.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Hesitation, Surge, Cuts Out, Misfire
OccursUnder Load, on Accel