High eratic idle
So I have been trying to find the source of my high idle with no luck. After I start it up the rpm's will run around 1500 for about a minute and then drop down to normal range. Once I start driving I will get the rpm's up to around 2500 and once I push in the clutch to shift the rpm's will stay there unless I leave the clutch in for a bit they will come down. It's really annoying and just seems to be getting worse. The weird thing is there is no check engine light and no codes but there is definitely a problem. Around 5-6 months ago I took off the throttle body, disassembled it and cleaned it shiny new. I have cleaned the IAC and replaced the map sensor about a year ago. The throttle assembly isn't sticking and I have checked for vacuum leaks using the propane method and brake cleaner with no luck. Any ideas on what else to do?
I too would say the TPS.
Online factory service manuals and parts lists -
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