[Executionerhk]

Guys,

Everytime I turn the car on, it will stick around 1500 rpm and slowly drop once the engine warm up...

Sometime, when I put in the Neutral, it will stick a little on 1000 rpm.

Is it normal? or I should clean my TB?

Thanks,

Steven

 

[Insane]

Every car has a hanging rev when its cold. Its programmed to do this.

 

[zantar]

I believe that it is a normal way the engine helps gets itself to opperating temp

 

[faster_than_u]

when i satrt mine in the morning mine goes to 2k then stays around ~1200 untill warm

 

[Executionerhk]

so i don have to clean the TB then LOL
it is 95k, i was think because of it mine is hanging...

 

[toeycrack]

yes allot of car ideal around that range then drops as it warms up... mine is around 2k then drops to 850ish

 

[jetrinka]

You should clean the throttle body anyway. But yes the hanging idle is normal.

 

[Executionerhk]

i heard i should take the tps when I spray with crap cleaner...
but my friend said if you take the tps off... you are not going to be able to put it back on the way that tps will work correctly...

and some old guy in Advanceauto part said he would mess with the TB...

jetrinkam, you said i should clean it anyway...
how should i clean it...

 

[Executionerhk]

sometime when it idle, I rev up the engine to 3-4k rpm, it will hang at 1k rpm for couple sec and the drop it way back to 800ish, drop stop drop stop drop until it see the 800ish.

 

[damnfastsvt02]

If you wanna clean it advance auto has TB cleaners available. But I think its a usual thing with foci's warming up. Mine does the same thing but it doesn’t bother me too much, just have to be careful on releasing the clutch when pulling out of the driveway!

 

[SVT_ME]

Normal

 

[faster_than_u]

it says right on the tb(stock) that you arnt suppose to clean it

 

[Executionerhk]

maybe i should just leave it alone huh...

 

[03OrangeSVT]

i heard i should take the tps when I spray with crap cleaner....

LOL "crap cleaner" [chairfall] [chairfall]

 

[FiFoci]

yeah dont clean the TB it has a coating of something that isnt supposed to come off.

 

[badass3]

yall say dnt clean but what about when porting that stuff comes off anyway but the hanging is normal

 

[nickmil]

You can safely clean it - there is a small amount of "special" coating on the butterfly edge to prevent sticking. But, TB cleaner will not remove this coating.

I've cleaned my recently and the throttle response is so much nicer. In fact I had sticking before the cleaning - none afterwards.

Make sure to take it off the manifold to properly clean the underside of the TB, which is always much worse.

 

[IM Buddy8]

If you wanna clean it advance auto has TB cleaners available. But I think its a usual thing with foci's warming up. Mine does the same thing but it doesn’t bother me too much, just have to be careful on releasing the clutch when pulling out of the driveway!

It annoys me a good amount.. I usually Drive my SHO when it's real cold because of the hanging RPM annoys the crap out of me :S

 

[Executionerhk]

so clean or not...