Irratic idle after service PROBLEM FIXED thanks ECUMAN / BEEZA etc

[OMG.JAI xD]

Vacuum hose disconnected sumwhere?

I remember doing the subaru engine cleaner clean. Taking off my brake booster vacuum line and feeding it there, when the engine warms up idle fluctuates at a constant pace up down up down.

[beeza]

I put some suburu upper engine cleaner through my mates truck today and the idle was high.I may have the same prob (hopefully it will just evaporate)

But maybe,Clean and adjust the FITV.

http://www.ozhonda.com/forum/showthr...ht=adjust+FITV

http://www.emotors.ca/Articles/97.aspx

Once you locate it,take the cover of (2 screws) then you can use a mirror to see inside it.Get a screwdriver and just turn it until it idles fine,then you can fine tune it with the idle screw.5 minute job!

[I heart the SSS]

hmm, but my pipe is still getting heaps warm?

I presume its not FITV?

[ECU-MAN]

dont think the EJ8 has a FITV

try resetting the ECU and make sure all you vacuum hoses are on properly, an air leak or vacuum leak will cause funny idle.


you can try spraying TB cleaner in IACV and TB then take it for a good drive to get rid off all the fumes. make sure the spark plugs are gapped at 1mm

[I heart the SSS]

EDIT: Read ECUMANS post.

Maybe I should run some more of that subaru engine cleaner through the TB, and see if it removes any furhter gunk i guess.

All the VAC lines are in and in place..

Does it mean anything that I remove the electric clip and the idle settles, and then once reconnected, becomes more irratic than before?

edit edit: I used the NGK plugs that are standard for the EJ8, should be gapped correctly?

[beeza]

http://www.honda-tech.com/showthread.php?t=1564019

D16Y8s have FITV?

I was looking for that thread for the last 30 minutes!!

I'm not sure if the y8's have an FITV,I was worried about that...

Hmmmm,it sounds vacumn related.When I had this problem I cleaned the IACV and adjusted the FITV and it fixed it.But it was the FITV that really needed to be adjusted.If there's no FITV then I'm stumped!

[I heart the SSS]

hmm

No idea what to do now.

[beeza]

This is frustrating me,I wish I had the car here so I could check it out.I just cant think of anything else...

A foul 02 sensor wouldn't cause this.

But the idle on the truck today was high (not erratic) after I put a can of suburu UEC through it,so it's probably just what benny said and will hopefully settle after the UEC evaporates away.I will try the truck tomorrow too.

[trism]

check the gaps.

alot of the time they arent even gapped right i find.

[ECU-MAN]

Does it mean anything that I remove the electric clip and the idle settles, and then once reconnected, becomes more irratic than before?

what do you mean by this. Im confussed.

did you unplug the TPS ???

did you mess with the idle stop screw ???

[I heart the SSS]

I mean i unplugged the clip which goes to the IACV valve.

It's a small grey one, there is only one electrical clip on it.

(i undone two, one black, one grey, one goes to the IACV, ones right near it)

[ECU-MAN]

OK, im with you now

you disconnected the IACV as you mentioned, and the idel settled.

it settled baucause the ECU want changing the idle rpm, and also went into limp mode.

the black connector is the IAT sensor.