× 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 Chevrolet Lumina 2.5L Excessive Emissions, Surge, MIL Lamp on
Posted to GM Driveability on 3/1/2005 14 Replies

Hello GM techs, I have this car that came in yeasterday for a intermittent surge & ses light on. I found a sticking egr valve & leaking tbi gasket. Replaced both and road test. Surge is gone but ses light still comes on with dtc 45-rich exhaust. Scanner say o2...

14 Replies Received (View Replies)

  Related Documents & Media  1990 Chevrolet Lumina

 
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet Lumina

VIN 2G1WL54ROL
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsExcessive Emissions, Surge, MIL Lamp On
OccursAlways

Trouble Codes

45rich exhaust
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet Lumina

VIN 2G1WL54ROL
Engine2.5 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsExcessive Emissions, Surge, MIL Lamp On
OccursAlways

Trouble Codes

45rich exhaust