rartist

iTrader: (1)

I was dealing with an issue where my 2003 VIII was dying at idle, without direct intervention. I pulled the throttle body to see if there were any blockages in idle air bypass ports and didn't see anything. Research showed that the Idle Air Control Valve might be bad (mine was factory 199,650 miles). Local auto parts wanted about $300 for the thing, Ebay had one it said was a replacement for $20 shipped (Isumo GET7610-304, OEM MD628318), so I figured I'd at least start there.

I just swapped the parts, and the car lit up with no fuss. But, I quickly saw that the RPM's were 1000k too high. Letting the clutch out in gear and the RPM's drop towards normal and it drives normally. Clutch in, and it bobs between, 1k and 2k, RPM, drops to 1k and climbs back up to 2k to stay there.

Does the idle RPM need to be reset, or is this part just not right for my Evo? Please help!

llDemonll

iTrader: (21)

pull the ECU fuse and let it re-learn

BLK_EvIL

iTrader: (7)

Yup relearn start up let idle for at least 10mins and don't touch throttle at all

kaj

iTrader: (60)

Did you clean the black "gunk" from the inside of the throttle body? The stuff on the inside of the butterfly?
have you adjusted the BISS?
how long did you let the car idle after install?
I have had better luck with junk yard IACVs than new, non-oem ones. Where did you get yours?

gotblkr

Are you able to share what compatible vehicles to look out for when searching for a junkyard replacement IACV? Would be good to know as I think my IACV is on the brink in my 03 VIII...

kaj

iTrader: (60)

I googled the part number and found a "this part also fits..." list.
My local wrecking yard has a search engine, so BOOM. It was that easy. I was lucky LOL

kaj

iTrader: (60)

I googled the part number and found a "this part also fits..." list.
My local wrecking yard has a search engine, so BOOM. It was that easy. I was lucky LOL

4b11slayer

Biss adjustment

rartist

iTrader: (1)

Just what I needed, thanks for your help! Worked perfectly.

kaj

iTrader: (60)

LOL sometimes we assume the basics are covered and forget to start there.

Just be sure your IACV trim is zeroed out, otherwise you may still have idle issues, later.