Idle air control valve
 

I'm trying to check my IAC , should the pintel move in or out . Mine will not move at all. :icon_wheel:
Rich

simply put,if you clean it with some brake cleaner and it doesnt work. replace it.

Dont try to move the pintel by hand.. its electronically controlled. If you tried real hard to move it, you could have messed it up.
What made you check the IAC?

i just cleaned mine today because my engine was revving at idle when i first started, so far it seemed to work. it also seemed to clear my rough idle, i used carb cleaner and it looks brand new.

did you have the same symptoms or something else?

Hi, rough idle, low power during acceleration. Car sat for a year.
Rich

whats year do you have? have you tried cleaning the egr valve also? that worked for me the first time the rough idle started

i just got done cleaning my IAC and it didnt do a thing for me, maybe youll have better luck then I did

1993
 

I'm pulling the ERG today, it maybe the problem. It went out before right after Katrina came through. $175.00 :icon_viking:
Rich

dont spend 175 for nothing. they rarely go bad.l clean it like the iac.


big change its the spider injection. big problem in 93 if its cpi. if its tbi,then maybe fuel pump

Erg
 

ERG is ok, I pulled the plenum and checked the the injectors , they are bad 3 look as tho they are plugged. I can't believe it ran as well as it did. Any recommendations on which injector set to buy?
Rich

Assuming its a CPI and not TBI. I would go with Delco or Delphi. I personally got the Napa house brand, because I did not want to wait for a delco or delphi online for cheaper than it would be in the store.