I searched and could not find anything on the code 12 or how to fix the problem. Hopefully this thread can help others that will have the same problem.

I have a code 12 when ever my car reaches full running temp. I know this means the ERG system, but other than that I am clueless. What is the ERG system, and what steps can I take to fix it. Can this be a problem if left unfixed? BTW I have a 1992 LS.

 

exhaust gas recirculation system .....dont know what it does ...i have a chiltons manual that told me what it is and how to remove and repair it,.....so if u find out that u need a new one tell me and ill give u the instructions

 

http://www.asashop.org/autoinc/nov97/gas.htm

http://www.tpub.com/content/co...3.htm

 

just replace it..its pretty easy. almost like doing a oil change.

 

Yea I am going to have to replace it.

91IntegraX, do you think there is is any way I could get those Instructions? Alot to ask, but would it be posible to scan them in? If not I guess I could break down and go get a manual.

 

theres not rly too much of a detaild picture but ill type em up for ye real quick

 

the controls associated with the egr and purge control system are located within the control box on the firewall. these components include the EGR solenoid Valve, The CVC Valve and air chamber if used, as well as the purge cut-off solenoid valve.
replacement of any of these items requires removing the control box from its mounts. Disconnecting the external electrical connectors and opening the control box. disconnect the vacuum hose's to the compenent and remove the compenent. installation is in reverse order of removal


thats all i got in the book....not even a pic

 

So what exactly would I need to be replacing? Or can that not be know simply from the Code 12?

 

There are so many parts associated with this piece. How do I pinpoint which one I will need?

 

im not sure...whats ur exact problem?

 

Well my exact problem is a have a Code 12. Every one in a while my car will start fine but then die and wont start for about 40min. Obviously something is wrong with EGR system, just dont know what.

 

Has anyone else had this problem, Is it bad to continue to run my car with the CEL code 12? IS a faulty ERG system going to hurt my engine?

 

It'll probably cause the engine to run a little rough but nothing crazy......as far as the car not starting for about 40 min.....that's sound like something else is up. The EGR won't do that.