Q: I have a hunting/high idle.
The idle sits at about 2000 rpms with the tps unplugged. If i plug it in the idle will surge from 1k to 2k constantly. The issue is only while in neutral, as far as i know i do not have any vacuum leaks. Unplugging the iacv causes the idle to drop to about 1500, i believe the iacv is in working condition. The map sensor has been changed twice but it could be bad, i do not know how to test that. I have tried a lot of little things to fix the idle as its my daily vehicle and i cant dive into something unless i know itll fix it. Any help would be appreciated
My car has 212000 miles.
My car has a manual transmission.
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