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1999 Toyota Land Cruiser Surging at idle

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I recently cleaned the throttle body on my 1999 Toyota Land Cruiser. Did a very thorough job cleaning by removing the throttle body from the intake manifold. I also cleaned the area which was connected to the PCV valve by a hose and it was full of sludge. After I put everything back together the engine surges from 1500 rpm to 2000 rpm continuously. I read a lot online about engine surging and a lot of it points to cleaning the IAC valve, but my car doesn't have an intake hole in front of the butterfly for one. Was I too rough with the throttle body and broken an internal piece? Tell me what you think I should try.

Here an idea ... disconnect the battery for 30 minutes and let the computer ecu reset... I saw video from scotty about idle problem ...

@Klob please copy and paste your answer in the ‘Your Answer’ section down below? Thank you.

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Realize after cleaning sometimes the computer has to reset itself so disconnect the battery for 10 minutes then put it back on then start the vehicle idle it at about 1800 RPM in park in your driveway for about 8 minutes then shut it off then start it again turn the AC on full blast and idle it again for 8 minutes then drive it around it might just reset itself. If not some damage was done during the cleaning

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