You may have damaged the IAC if you removed it while doing the TB work. The O2
sensors are ready to be replaced if they're original on the truck.
Probably wouldn't hurt to swap all these items for new.
JakeandReggie@aol.com wrote:
> Got a bonus from my friendly Dodge dealer, a free diagnostic scan. I got 3
> codes which were:
>
> 1. Upstream O2 sensor
> ( I've got 65k miles so I assume I'll be changing all of these, right?)
>
> 2. Idle air control motor air
> ( I did smooth the top of the TB flush, could this be the cause?)
>
> 3. TPS high voltage
>
> Any idea's on these? Dak is a 97 5.2 auto 4x4. Mods are: K&N FIPK, milled
> flat TB, Gibson headers, Gibson cat-back, 180 t-stat and 3923's. Thanks.
>
> Jake
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