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IACV help on Y7/8 mini-me
Ok, here's the scenario. 2000 Civic DX 4 dr auto getting a 99 Y8 head. The owner bought a head without an intake and opted to go with a Skunk2 intake manifold and throttle body. The problem as some of you may know is, the y7 IACV is different. Besides the fact that it will not bolt up, it is a three wire unit (remember it is auto). I have a 2 wire IACV from an old DPFI manifold that will bolt to the new skunk unit, but my question is, can I convert to two-wire even though the car will stay an auto? I am going to be using the P2P-A92 ecu in the car. I know I read something about eliminating one wire and moving two pins around, but I was pretty sure this was also while doing a manual swap. Any help would be sweet.
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Re: IACV help on Y7/8 mini-me
plug the holes and run the y7 tb
u cant run 2 wires on a 3 wire ecu that 2 wire thing is for 2 wire ecus |
Re: IACV help on Y7/8 mini-me
Can't use the Y7 TB, he bought a Skunk 2 TB. He might be buying a brand new IACV, I also realized a little latter, that he has a VTEC solenoid from a Z6 and not a Y8. Things never go easy when non-mechanical people gather parts. :-\
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Re: IACV help on Y7/8 mini-me
your only fix would be to go obd1 :-\
i tried everything on my buddies car for 3 days and it didnt work have fun :P |
Re: IACV help on Y7/8 mini-me
Originally Posted by Ravage70
your only fix would be to go obd1 :-\
i tried everything on my buddies car for 3 days and it didnt work have fun :P |
Re: IACV help on Y7/8 mini-me
an ex auto uses the same tb iacv as any d series auto 96-00
the holes are blocked in other words the p2p auto uses 3 wires |
Re: IACV help on Y7/8 mini-me
You need a P2P from a stick car and then use the 2 wire IAC you have. Just do the 2 to 3 wire conversion here: http://www.turbod16.com/viewtopic.php?t=3572
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Re: IACV help on Y7/8 mini-me
Originally Posted by CSaddict
You need a P2P from a stick car and then use the 2 wire IAC you have. Just do the 2 to 3 wire conversion here: http://www.turbod16.com/viewtopic.php?t=3572
Originally Posted by Ravage70
an ex auto uses the same tb iacv as any d series auto 96-00
the holes are blocked in other words the p2p auto uses 3 wires Sorry guys, maybe I am just making this harder than it is or I am trying to simplify it too much, not sure which :-\ But your help is greatly appreciated. |
Re: IACV help on Y7/8 mini-me
He means Y7 mani and Y8 mani are the exact same piece, only the IACV ports and bolt holes were never machined out or tapped. You can do this yourself with a drill, a tap, and some finesse. There are only two styles of 2 wire IACV made for Honduhs - at least for the popular B/D/F/H stuffs. Big metal cylinder body with a plastic cap on one end, and the other is a big plastic cylindrical body. They have different flanges, so you have to get the right one for the OBD2 cars - the plastic unit.
I know with OBD1 conversions you can jew around two of the three 3 wire IACV wires to get rid of the CEL, and then totally block off the stupid IACV and let TB stop and air bleed screw handle idle. I'm pretty damn sure you can do this with OBD2 ECUs, as well. You might have to readjust air bleed and throttle stop to get idle speed where you want it, but it costs $$$ and hours less to do it my way. |
Re: IACV help on Y7/8 mini-me
Originally Posted by Joseph Davis
He means Y7 mani and Y8 mani are the exact same piece, only the IACV ports and bolt holes were never machined out or tapped. You can do this yourself with a drill, a tap, and some finesse. There are only two styles of 2 wire IACV made for Honduhs - at least for the popular B/D/F/H stuffs. Big metal cylinder body with a plastic cap on one end, and the other is a big plastic cylindrical body. They have different flanges, so you have to get the right one for the OBD2 cars - the plastic unit.
I know with OBD1 conversions you can jew around two of the three 3 wire IACV wires to get rid of the CEL, and then totally block off the stupid IACV and let TB stop and air bleed screw handle idle. I'm pretty damn sure you can do this with OBD2 ECUs, as well. You might have to readjust air bleed and throttle stop to get idle speed where you want it, but it costs $$$ and hours less to do it my way. |
Re: IACV help on Y7/8 mini-me
listen ill make it simple
y7 auto/ man is shitter manifold aka toilet bowl y8 manual plenum mani with iacv in the back side... 2 wires y8 auto plenum mani with iacv on throttle body and 3 wires SAME as y7s |
Re: IACV help on Y7/8 mini-me
Originally Posted by Ravage70
listen ill make it simple
y7 auto/ man is shitter manifold aka toilet bowl y8 manual plenum mani with iacv in the back side... 2 wires y8 auto plenum mani with iacv on throttle body and 3 wires SAME as y7s Please pass the crack rocks! |
Re: IACV help on Y7/8 mini-me
Originally Posted by Ravage70
listen ill make it simple
y7 auto/ man is shitter manifold aka toilet bowl y8 manual plenum mani with iacv in the back side... 2 wires y8 auto plenum mani with iacv on throttle body and 3 wires SAME as y7s |
Re: IACV help on Y7/8 mini-me
He can still block off the IACV and fiddle the pins @ the ECU to eliminate CEL - the ECU doesn't know the intak manifold is funny looking. They don't incorporate the Funny Looking Intake Manifold Sensor (FLIMS) until OBD3, dog.
Ari, he's a friend of B16CRXT who posts here, has a Y7 IM and has done just that to his. Ask Chris aka B16CRXT if Ari's car starts, idles, runs alright. |
Re: IACV help on Y7/8 mini-me
Originally Posted by Joseph Davis
He can still block off the IACV and fiddle the pins @ the ECU to eliminate CEL - the ECU doesn't know the intak manifold is funny looking. They don't incorporate the Funny Looking Intake Manifold Sensor (FLIMS) until OBD3, dog.
Ari, he's a friend of B16CRXT who posts here, has a Y7 IM and has done just that to his. Ask Chris aka B16CRXT if Ari's car starts, idles, runs alright. |
Re: IACV help on Y7/8 mini-me
i hate auto iacv"s >:(
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