having problem

[bob002500]

it just started doing this. when im driving and stop some times it idles at about 2000 rpm and will not go back down and it smells like gas when i get out of my truck. It is a maunaual transmision. I was thinking maybe a idle sensor or something?

[Rookie]

I would say your prolly right The TPS (throttel postion sensor) is out od sink

[budhayes3]

Could be your IAC, I'd also check the coolant level. If the coolant temp sensor is getting an incorrect reading due to a low coolant level, it could send the idle up and richen the mixture, which might give you that gas smell. Just a few ideas to throw at ya.

[99-2door]

Most likely the IAC solenoid. I just replaced one on a 96 5.7L.

Sometimes you can clean the solenoid up to fix it, but usually it needs replaced.

Be sure to clean all the crud out of the throttle body when you replace the IAC. IF you don't you will be replacing it again soon.

[mcreyaufmiller]

I just replaced mine and paid $70. One plug and two screws.

 

Mike

[bob002500]

wheere is this sensor at can any one show me a pic or somthing

[budhayes3]

The IAC valve/solenoid is bolted to and integrated with the throttle body. Need to know what year and engine you have to give you more info.

[99-2door]

The IAC valve/solenoid is bolted to and integrated with the throttle body. Need to know what year and engine you have to give you more info.

 

<{POST_SNAPBACK}>

 

 

 

I'm gonna take a wild guess and say it is a 2000 2500

[budhayes3]

The IAC valve/solenoid is bolted to and integrated with the throttle body. Need to know what year and engine you have to give you more info.

 

<{POST_SNAPBACK}>

 

 

 

I'm gonna take a wild guess and say it is a 2000 2500

 

<{POST_SNAPBACK}>

 

 

 

Whoops, didn't even look at the "bob002500"...duh.

[bob002500]

well i had my truck sacanned and found no codes it still does this ever once in awhile do u think i should just go ahead and change the sensor

[budhayes3]

Just for poops and giggles, try cleaning the throttle body first and see if that helps any. If not, it would be nice if you knew someone with a TechII that could perform an active test on the IAC to see if it's the problem.

If you go to the dealer, the diagnostic fee will probably be the same price as the part. Personally, I hate to throw parts at a problem without knowing for sure, but if you can get the part cheap enough, it might be worth a shot.

 

Just so you know: IAC= Idle Air Control valve

[bob002500]

well i know this guy he hooked up this snap on tool think to it and tested a bunch of stuck he turned the idle up with it and could kill it i think he checked it