× 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
1992 Buick Skylark Custom 2.3L Excessive Emissions
Posted to GM Driveability on 7/2/2002 3 Replies

As you can see by the NOX and HC, it doesn't pass our local emissions test. We do not have equipment to check the data stream from the ecm. This engine does not use an EGR valve. The MAP sensor holds vacuum and I have not found any vacuum leaks. The car runs p...

3 Replies Received (View Replies)

  Related Documents & Media  1992 Buick Skylark Custom

 
Message Closed w/FIX

car Vehicle Data

1992 Buick Skylark Custom

VIN 1G4NJ1439N
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / Port EFI
EmissionsCA Emissions
SymptomsExcessive Emissions
Message Closed w/FIX

car Vehicle Data

1992 Buick Skylark Custom

VIN 1G4NJ1439N
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / Port EFI
EmissionsCA Emissions
SymptomsExcessive Emissions