Have a 2007 Ford Ranger, 2.3 - 5 spd. While driving or sitting ,After leting off the accelerator pedal, RPMs hang up 3 to 4 seconds before dropping to idle. Asked dealer about it when purchased. they said this is normal. Any thoughts ???????

 

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the answer is IAC

 

lol and that is not "normal"

 

IAC needs to be cleaned or replaced. I cleaned mine problem went away for a week and is back. I just haven't been bothered to replace it as it hasn't affected driving or mileage.

 

My 99 used to hang up like that evr once in a while... I replaced the iac two diff times now it does it all the time???