× 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
1993 Buick Regal 3.1L Excessive Emissions
Posted to GM Driveability on 1/12/2005 20 Replies

Hello, This vehicle came to us as an emission failure. Tailpipe emissions for CO were 3 times the state limit. We replaced the O2 sensor, which was dead, cleaned out the egr passages, and retested and only got a modest improvement. The lower intake manifold ga...

20 Replies Received (View Replies)

  Related Documents & Media  1993 Buick Regal

 
Message Closed w/FIX

car Vehicle Data

1993 Buick Regal

VIN 2G4WB54T1P
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsFederal
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

32EGR Malfunction
Message Closed w/FIX

car Vehicle Data

1993 Buick Regal

VIN 2G4WB54T1P
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsFederal
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

32EGR Malfunction