× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1984 Mercury Grand Marquis Colony Park 5.0L Excessive Emissions
Posted to Ford Driveability on 6/1/2001 7 Replies

Another Ford nightmare! This one runs OK for emissions at idle, but when it's loaded and emission tested on the dyno, it fails miserably. Everything I've checked out seems OK, but it runs way too rich (between 3-6% at 25 mph at 25% load), and I'm not sure why ...

7 Replies Received (View Replies)

  Related Documents & Media  1984 Mercury Grand Marquis Colony Park

 
Message Closed w/FIX

car Vehicle Data

1984 Mercury Grand Marquis Colony Park

VIN 1MEBP94F1E
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsCA emissions
SymptomsExcessive Emissions
OccursAlways, Smog Check
Misc.Station Wagon
Message Closed w/FIX

car Vehicle Data

1984 Mercury Grand Marquis Colony Park

VIN 1MEBP94F1E
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsCA emissions
SymptomsExcessive Emissions
OccursAlways, Smog Check
Misc.Station Wagon