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View Full Version : IACV's the same between OBD1 and 2?

clockstick
10-19-2006, 11:54 AM
I have a d16y8 intake with no IACV it was missing despite the seller informing me it was there. I have a couple kicking arround from z6 Intake are there any differences will these work with obd2?
I did search came up with nothing.
Thanks
gpny
10-19-2006, 12:37 PM
yeah, manual IACV's are pretty much the same... The hole on my y8 one was bigger than on my z6 one, but it made no difference
clockstick
10-19-2006, 02:58 PM
Perfect, thanks alot.
JaredKaragen
10-19-2006, 06:37 PM
just make sure your getting a 3 or 2 wire to match your harness.
clockstick
10-19-2006, 08:07 PM
yeah I need a 2 wire... and that is what I have only from a z6 so I just wanted to make sure I had the parts that will work before I do my head swap.
Thanks
JaredKaragen
10-20-2006, 04:24 PM
NP =) gopod luck with the swap!
clockstick
10-22-2006, 08:02 PM
Ok so I learned that Z6 IACV on Y8 manifold is tight to get the plug on. and that the A6 IACV will not work the bolt pattern is different.
gpny
10-23-2006, 07:29 AM
Ok so I learned that Z6 IACV on Y8 manifold is tight to get the plug on. and that the A6 IACV will not work the bolt pattern is different.
Hmm my iacv's were the Same aside from the diameter of the air passage... wierd
sickness_d6
10-23-2006, 09:48 AM
this is going on what motor and what ecu are you running?
clockstick
10-25-2006, 09:23 PM
I am running a d16y8 and intake
I am using a z6 Iacv
vtecencrx
10-25-2006, 09:30 PM
when i swapped a y8 mani in my 88 rex, the iacv plugged right in..... so it doesnt make any sense why the z6 wont plug into the y8..... just my .02

edit... just checked the connector from the d15b iacv to the d15b6 iacv and they connected, so a obd1 fits a obd0 and a obd2 fits a obd0, so a obd2 should fit a obd1, at least the electrical part...
xenocron
10-26-2006, 07:56 PM
Just dont plug your IACV connector into the IAT and vice versa...makes for messy ECU bits. PCS gets plugged in improperly lots too...be careful.
NS_Y7
10-29-2006, 09:06 AM
What would happen if they were plugged in the wrong plugs?
xenocron
10-29-2006, 07:25 PM
messy ECU bits...depending
SOHC_Rules
10-29-2006, 09:05 PM
Ok so I learned that Z6 IACV on Y8 manifold is tight to get the plug on. and that the A6 IACV will not work the bolt pattern is different.

my friend has this problem too... is it safe to grind that little nub on the back of the y8 mani for it to clear it?
Speedjunky01
10-30-2006, 07:28 AM
all B series IACV's are the same as the y8, the D series OBD1 IACV's wont work.

Im runing a B16 IACV right now.
clockstick
10-30-2006, 11:24 AM
all B series IACV's are the same as the y8, the D series OBD1 IACV's wont work.


Not entirely accurate, the z6 Iacv will fit. they bolt up properly but there is a little alumnium nub that makes it tight for the clip to clear it. But if you are gentle and slide it on it will fit without too much trouble... The IACV works just fine with obd2 y8 so I don't see how obd1 Iacv's wont work mine is working just fine.
Speedjunky01
10-30-2006, 02:31 PM
well I was just going by part numbers so....

im sure it can be made to work.
clockstick
10-30-2006, 09:00 PM
no worries just clearing things up for future searchers.