× 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 Saturn SL2 1.9L MIL Lamp on
Posted to GM Driveability on 2/9/2005 13 Replies

I thought that replacing a bad CTS would take care of the rich condition code 45, but it has not?? The O2 voltage will switch fine at cruise but as soon as the throttle is returned to idle the O2 voltage goes high and it goes open loop. I tried pulling the PCV...

13 Replies Received (View Replies)

  Related Documents & Media  1992 Saturn SL2

 
Message Closed w/Summary

car Vehicle Data

1992 Saturn SL2

VIN 1G8ZK5473N
Engine1.9 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

45O2 Rich
Message Closed w/Summary

car Vehicle Data

1992 Saturn SL2

VIN 1G8ZK5473N
Engine1.9 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsMIL Lamp On
OccursIdle

Trouble Codes

45O2 Rich