
2002 Mercury Cougar 2.5L Excessive Emissions, Hesitation, Surge, Cuts out, Misfire
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...
FIX posted 9/7/2006
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)12 Replies Received(Hide Replies)12 Replies Received
|
Message Closed w/FIX
|
VIN | 1ZWFT61L12 |
Engine | 2.5 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Hesitation, Surge, Cuts Out, Misfire |
Occurs | Under Load, on Accel |
Message Closed w/FIX
Vehicle Data
2002 Mercury Cougar
VIN | 1ZWFT61L12 |
Engine | 2.5 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Hesitation, Surge, Cuts Out, Misfire |
Occurs | Under Load, on Accel |