Well, I spoke too soon - the CEL is back on again. Outside of replacing the entire wiring harness, any suggestions??

Well, last night I disconnected/reconnected the rear O2 sensor cable (plus extension) last night, disconnected/reconnected the negative battery lead, and crossed my fingers. So far, so good this morning on my 10-mile commute... No CEL as of yet!

Thank you. When you say "sealed" what are you referring to specifically? Outside of giving each sensor a "good tightening" and making sure they are fully seated, is there something else I should have done on installation?

I recently replaced my stock exhaust with the IPD turbo-back system. I had a P0141 code come up and replaced the rear O2 sensor with a new Bosch unit. Unfortunately, that didn't resolve the problem (still getting the same code).

Assuming the sensor is OK, I've been told to check the wiring. Outside ...

Includes everything - all mounting hardware was stripped from the original vehicle, including all seat belts. I've also have a copy of the entire installation manual.

Asking $200 firm. I'm located in Salt Lake City, UT.

Thanks again for everything today - couldn't have done it without your help!

Problem solved! The line on the bottom of the idle control valve was knocked off by the shop where I had work performed earlier this week. Reattached - idle problem eliminated and turbo boost has returned to normal. However, CE light came on during the last outing... to be determined.

Problem solved! The line on the bottom of the idle control valve was knocked off by the shop where I had work performed earlier this week. Reattached - idle problem eliminated and turbo boost has returned to normal. However, CE light came on during the last outing... to be determined.

I'm with you - but, nothing reveals itself with carb cleaner sprayed around the suspect connections.

I've had some discussions with jablackburn this morning about some problems I've encountered with my 1998 V70 T5 - namely, stuttering when you step on the gas from a stopped position & I have no turbo boost, whatsoever. The following e-mails contain some of the background leading up to my current ...