Re: Surging idle issue accord
 

Not always.

I had idle issues with my old d15z1, and they don't have it.


With mine it was a combo of a 240k mi gunked up Intake and a nearly clogged IACV.

Re: Surging idle issue accord
 

fast idle control valve located on the front of the intake mani in the middle

Re: Surging idle issue accord
 

UP

Re: Surging idle issue accord UpDATE still surges!
 

my last resort attempt is to


carb clean the piss ut of the manifold
throttle body



make sure the throttle plate is seating correctly

Re: Surging idle issue accord UpDATE still surges!
 

I have tried 2 tb's, both have been thoroughly cleaned and the tps is the same on both...
Same problem with either one installed.

Re: Surging idle issue accord UpDATE still surges!
 

crab clean the manifold thats the last thing I would do

Re: Surging idle issue accord UpDATE still surges!
 

i am surtian that you have not check the correct valve, and your problem will continue till you fix the valve i told you to.
and a gummed up i mani will not make your problem accure period

Re: Surging idle issue accord UpDATE still surges!
 

I have tried numerous iacv's and fitv's, I have even blocked off those ports and the problem remains.

Work on your grammar.

Re: Surging idle issue accord UpDATE still surges!
 

Have you tried looking/replacing all the gaskets on your intake manifold? had the same problem and it turned out to be the intake manifold wasnt torqued to spec and was leaking air through the gasket.

Re: Surging idle issue accord UpDATE still surges!
 

what happens when you put your hand over the throttle body when its running?