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Originally Posted by gunnmen01
check your coolant and idle air control... low on coolant or a bad iac can cause that problem.....
gunnmen01
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Yea, I agree the IACV or the FITV (fast idle thermo valve) - the FITV is located underneath your throttle body - it is attached with 3 10mm screws, i'd take a gander at that - Also the IACV - remove it (2 bolts i think) and clean the screen with a toothbrush - don't push the screen in. the other way to test your IACV is to unplug it while your car is idling, the rpms should audibly drop a notch, plug it back in and they should return.
I don't know why you started with the TPS?, and I wouldn't recommend you flippin the bill for an entire throttle body - there is not too much there that would cause your idle probs, well technically there is - but from the issue you having with the hunt I highly doubt it's your throttle body.
also make sure your throttle cable nuts are toight...
when you did start with the TPS - did you set the one you swapped in back correctly? they have to be mounted matched to a voltage at idle and full throttle.