Mr. Pickles

Hi there. My 97 CL 2.2 is playing games with me. I got a CEL, and went to Autozone and had them run the codes (I didn't see the code that came up), and they said bank 1 sensor 1 (front upstream sensor), the heater circuit was toast. Ok, so I replaced it after about 2 weeks and..... CEL. Ok, I figured it would need to be cleared, so I disconnected the battery for a while... CEL. Back to Autozone to clear the code... CEL came right back. GRRR now its showing I believe P141 or something like that, for sensor 2 (rear downstream sensor). What the?? Is it common for both to go nearly at the same time, or do you think having upstream out ended up killing the downstream one? Or maybe I just got an idiot reading the code the first time aruond, and he told me the wrong sensor. Any ideas or suggestions or thoughts?

AcuraTL

If your car was running super lean or super rich because of the 1st sensor, then it could damage the 2nd sensor. How many miles are on your car?

Mr. Pickles

139xxx miles. It doesn't seem to be running particularly rich, although its hard to tell. Black car, but there's no excess soot or such on the pipe that I've noticed. Unfortunately, its the wifes car and she has to commute about 40 miles a day, so down time is limited to the weekend. Guess I'll replace #2 and see what happens, I just hate throwing money at problems.

kevlarr33

Most Likely he told you the wrong one, usually they give you a receipt telling you exactly which one it is. I just replaced mine. But if ran a while like that it can damage the other.