since i couldn't find a lounge section i figured this would be the best place to post. i'm looking into buying a 1989 IROC, my frist 2 cars were an 85 IROC and then a 88 IROC so this isn't my first one. But i remember a problem with both of them was the SES light would come on once it was at operating temp. I had both cars scanned and on both it was the o2, is this a common problem? i know some people with 3rd gens and they say this happens to them also. what else should i look for? It has been awhile since i've driven one of these things or checked one out. thanks for the help

 

Welcome aboard thirdgen.org.

Common? Perhaps. But, I wouldn't call a $30 part that fails after 60k miles a "problem". Just replace it. Personally I haven't had one fail, but I started off with a new one, and did other modifications that included a new O2 sensor (because it was convenient) before the previous one got to 60k miles.

 

it's been awhile since i've had an older camaro, i have a 2000 SS and i've never replaced the o2 sensors on it and i've put 117K so really a o2 going out at 60k usually is the engines timing has been turned up which isn't the best thing for the car.

thanks for the welcome but i had another screen name here . . . i forgot the login lol

 

60K is just a guideline, like 3K every oil change. It doesn't mean the sensor is bad in 60K (or the oil), but the sensor can pretend it's okay and start skewing the readings shortly after 60K, or it can last up to 150-200K

I haven't had an O2 CEL since I've owned a thirdgen, and that includes the 70K already on the sensor when I bought the car, so I don't think it's too common. Coincidences are strong with these GM cars

 

if i run into any problems i'll post up. when i get the car i'll post up pics definitely. the basic is it's a white 89 IROC hardtop 350 TPI 700R4, not sure of the gears. i'll see it in person hopefully saturday after i get off work