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Should I convert my 2000 MAF & air duct located IAT sensor to the 2001+ Pace or (01 stock) MAF with all in 1 harness, OR get NEW wiring harness for the MAF & IAT sensors, as I think they may be bad..
I'll say that when my '99 started throwing IAT codes I assumed that the sensor was bad. Replacing it did no good and I found out soon after that it is common for the IAT harness to go bad on the pre '01 cars with seperate IAT sensors. The part # for the harness was 12102620. and it was like $25.
If you got the pace MAF the IAT harness woud plug into it and you would still have the problem if the harness is indeed bad. I would replace the harness and see if your problems go away.