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Hello Eric,
Ok, here is my problem.
I have an Acura MDX 09 with about 140,000 miles. Had it for almost two years now.
A few months ago I cleaned the throttle body on the MDX. (I should have done some more research)
I gently pushed the butterfly inside the throttle body to spray the throttle body cleaner and wiped it with a microfiber towel. (it must have confused the computer/sensor then) Key was off the ignition when I did this. After that I noticed the idle jumping up and down between 1k-3k.I reset the ECU. It seemed to help.
But it still drove funny so I took it to a local mechanic who specialize it honda/acura.
He hooked up a scanner/computer and reset the throttle body and idle the car for 15 min. The car drove very smoothly for a day or two.It feels that the idle is slightly higher than normal. When cruising on 2nd or 3rd gear the car goes a bit faster than it used to (Idle used to be 800 without giving any gas but now it is at about 1000 or 1100). I also notice downshifting is just a little bit rougher. Funny thing is the car drives fine right after resetting the throttle body but after a day or two it seems to learn the funny way to drive (before the throttle body resetting). Any suggestions?
Btw, I want to thank you so much for all your videos. They are so useful and helpful. Thank you.
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Check for vacuum leaks. And you may have knocked some dirt into the IAC while cleaning. Try removing IAC and cleaning ports
what cleaner did you use???
I would try recleaning the MAF again but you have to use the correct cleaner for it and see if that helps… only thing sucks is that cleaner is like $9… ya and also check for cracks becuase hoses crack easy when they get old and also check your connections and see if any are looseThank you for replying. I doubt it is the vacuum leak. Should i take a part the control valve? I’m afraid it would make it worse. I was hoping it was a matter of some resetting issue.
I used a throttle body cleaner from autozone. Yeah it cost about $9 or so i believe.
I doubt it will be the hose but will check it again for any cracks. Thanks!
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