× 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
1990 Cadillac DeVille 4.5L Excessive Emissions
Posted to GM Driveability on 4/27/2004 10 Replies

This vehicle runs well, passes all except nox, have been to test facility 3 times, same result no matter what we've done, don't have 5 gas only 4 gas so cannot verify cat nox.

10 Replies Received (View Replies)

  Related Documents & Media  1990 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD1337L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
Emissionsfed
SymptomsExcessive Emissions
OccursHot, Cruise

Trouble Codes

49thermactor air problem
Message Closed w/FIX

car Vehicle Data

1990 Cadillac DeVille

VIN 1G6CD1337L
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
Emissionsfed
SymptomsExcessive Emissions
OccursHot, Cruise

Trouble Codes

49thermactor air problem