iac /leak

[kraus]

scanmaster in park warm

wbo2 12.6-14.1
af 4
l8 26
bat 13.1-13.6
int 128
bl 142
clt 166
ats 103
map 43
sp 27.5-28.2
pu 1.9-2.0
cc 223
iac 00
tps .42
02 825-900

15 in/hg of vaccum at idle

35psi oil pressure at idle warm

iac controle no matter what i do will not come up from zero,i tried a different iac and it still goes to zero.Reset tps from .40 -.46 same iac stays at 00 after it warms up.I back the throttle screw back out till it didnt even touch the throttle and it never moved from zero even after restarting car.So i am lost here.is the intake gasket leaking wher i can't see or what i tried carb cleaner everywhere after fixing all the gaskets and hoses,nothing changed...so where next..


i took the intake off replaced it and iac contole is stuck at 09 now, but again the screw is just touching the arm,and if turn out at all it won't be.I have replaced every vaccum line on the car.

I had to make some gaskets for the plenum and throttle body till new ones come.I used the felpro blue paper stuff is this my problem maybe.I did notice that the other gaskets that were in there are a black material but not as papery as the felpro stuff.I also did notice when i removed the throttle body the second time the gasket was oily like the oil or whatever is in intake is seeping in the paper.Could this be a leak that is not enough when sprayed by carb cleaner etc or not.


I was told it is possible i have a bad ground at the iac circuit is this possible or not.

I am ready to rip everything out and buy new,so any help is better then a shot in the foot i guess....

 

[Razor]

Close the throttle blade.. screw to not touch adjuster on top of TB.. readjust TPS. shut car off. reset computer. start engine and go watch IAC numbers and follow the rpm.

Bet you get numbers. If you fire up the car and instantly its at zero.. then you have issues.

 

[The Darkside]

screw to not touch adjuster on top of TB..

Razor, was just checking out this post as my IAC needs readjusting also, but I wasn't sure exactly what you meant in the above quote?

 

[Razor]

screw to not touch adjuster on top of TB..

Razor, was just checking out this post as my IAC needs readjusting also, but I wasn't sure exactly what you meant in the above quote?

Drivers side top of throttle body there is a screw with a spring. That moves your throttle blade. back it out where it doesnt touch.. that is maximum reading on IAC.

A TV cable adjusted way too short may also cuase the blade not to close all the way.

 

[The Darkside]

Got it....Thanks!!

 

[The Darkside]

One more question.... So, if your IAC's were high, would you screw it in as long as it didn't effect your throttle blade from opening fully?

 

[kraus]

i will try this as soon as i get the gaskets i need,they should be here tomorrow,i also will be replacing the billet block with a stock billet style one.I don't like the one that is on there i don't trust it....