Hello, hoping someone can help.
I did a complete tune up on my car and found it running rough and I got a glowing cat. So I was using an article in delorean world to check the co to see if I was running rich. Hooked up the dwell meter to the frequency valve correctly and bypassed so it runs constantly. My reading should be 45 if all is working correctly but I get like 88-90. The article says if you get that high of a reading the system isn't working properly. Any ideas as to where to start looking to fix the system? O2 sensor?