Check engine light
Thread Starter
4th Gear
Joined: Apr 2024
Posts: 4
Likes: 0
From: Loganville Ga
Check engine light
My C3 has a check engine light on, is their a way to check codes, if not does a 1982 C3 have oxygen sensors, or does the catalytic converter tie directly to the smog pump,
Safety Car
Joined: Nov 2005
Posts: 3,533
Likes: 1,185
From: Arizona - If you don’t know CFI, STOP proliferating the myths around it...
Yes, you have to count the CEL flashes and look up the code set. Yes, it does have one O2 sensor and the the CAT is connected to the AIR pump tube to give it more O2 to burn off the gases better. The BEST info I can give you is to purchase the 82 GM service manual off of eBay. It will be the BEST investment you can make with CFI.
Safety Car
Joined: Nov 2005
Posts: 3,533
Likes: 1,185
From: Arizona - If you don’t know CFI, STOP proliferating the myths around it...
One more thing...Don't just purchase a ton of parts and shotgun them on the engine. That, is NO way to troubleshoot issues. Besides you will be wasting your time and money doing it that way. BUY the GM manual, it has a lot of troubleshooting charts in it on how to fix your engine. GL 
Drifting
Joined: May 2020
Posts: 1,663
Likes: 699
From: Baton Rouge, Louisiana, metro area
One more thing...Don't just purchase a ton of parts and shotgun them on the engine. That, is NO way to troubleshoot issues. Besides you will be wasting your time and money doing it that way. BUY the GM manual, it has a lot of troubleshooting charts in it on how to fix your engine. GL
