Originally posted by Big Jim:
You could also have a vacuum leak on the front cylinder bank. Frequently, oxygen sensor codes are not from a bad oxygen sensor.

It would not be the down stream oxygen sensor though. If that is what the AZone guy told you, he doesn't know what he is talking about.




Thanks for your response. Sorry to bother, but how would I check for this vacuum leak? I know where the 2 vacuum hoses on the top of the UIM are. I'll take a look at those.

That is the feeling I got from him, that he didn't really know what he was doing... He was a kid.


MUST SELL - ECM computer new for a 98 V6 mtx + pats Now trolling in a Red Nissan 4 x 4