idling troubles

[1990talondsm]

MY car has had trouble idling lately. It ran fine up until 2 weeks ago. it acts like it wants to die but doesn't. someone said it was the isc valve or iac what ever you want to call it. the car also bogs a little if the rpms aren't up. can any one help

 

[Lofty]

Did you search? At all?
Just wondering.
This is probably a faulty ISC.
Check Vfaq to know for sure.

 

[dsm03]

Was there any recent mods done to the car?? It could be a number of things, check the IAC. Test it, Check your BISS may have gotten loose or fallen out somehow...Ive heard of that happening.. How is it idling, does it go up and down a lot or does it just idle low and then wanna crap out?? Need more info

 

[boostngsx]

Could be the ISC. Could be a few things. I have the same problem and I am just going through the process of elimination with the throttle body. Good Luck. Do try searching though, many threads about this.

 

[Lofty]

Could be the ISC. Could be a few things. I have the same problem and I am just going through the process of elimination with the throttle body. Good Luck. Do try searching though, many threads about this.

Many..many..many many.

 

[1990talondsm]

no recent mods just driving the car right now. the rpms don't go up and down but it use to pull about 20 vacuum and run fine now its about 15 less and sounds like it wants to kill but never does

 

[Lofty]

no recent mods just driving the car right now. the rpms don't go up and down but it use to pull about 20 vacuum and run fine now its about 15 less and sounds like it wants to kill but never does

Sounds like a vacuum leak.

 

[boostngsx]

Check you BISS and a do Leak Down Test.

 

[xtr3me]

compression check.

 

[dsm03]

no recent mods just driving the car right now. the rpms don't go up and down but it use to pull about 20 vacuum and run fine now its about 15 less and sounds like it wants to kill but never does

Well, If you noticed that then thats where I would begin. Do a Leak down test !!!

 

[1990talondsm]

I thought it might be a vacuum leak so i eliminated all the vacuum lines. I will do a boost leak test soon.

 

[Lofty]

I thought it might be a vacuum leak so i eliminated all the vacuum lines. I will do a boost leak test soon.

Sounds good.
Best of luck in getting this fixed.

 

[Jimmer307]

mine did the same thing a few weeks back... it turned out i needed a few things... first of all recirculated ## bov if it isnt already (that helps)? there were a few peoblems with mine.. i had a shitty IAC and a bad throttle body sensor... check that and see if thats the problem? it for for me