Try taking iacv off and spraying brake cleaner in the screen's and putting it back on. If that dont work check the wiring. If none of that work it could be a number of thing i would test you TPS it could also be that.
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| d16y8 idle problems https://www.thejdm.com/forum/viewtopic.php?f=17&t=5338 |
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| Author: | homere [ December 28, 2005 ] |
| Post subject: | d16y8 idle problems |
so i recently swapped a y8 for my y7 and now it will not idle right. I have checked everything and i have no idea what it is. It does the idle surge thing where it will go from 2500-1500 back to 2500. Its really annoying. I have taken it to a couple mechanics near me and they have no clue what it is. Some people say its the IACV or the MAP sensor but i have no clue. Help me out if you can. |
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| Author: | tenchu [ December 28, 2005 ] |
| Post subject: | |
1st - Replace the IAC 2nd - Replace the MAP 3rd - Check IAC wiring 4th - Check MAP wiring 5th - Check for vaccume leaks 6th - Replace TB Gasket 7th - Replace TB if none of that works, i have nooo clue. Hehe |
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| Author: | EG2sol [ December 28, 2005 ] |
| Post subject: | |
Try taking iacv off and spraying brake cleaner in the screen's and putting it back on. If that dont work check the wiring. If none of that work it could be a number of thing i would test you TPS it could also be that. |
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| Author: | Hercules [ December 31, 2005 ] |
| Post subject: | |
Dont you have to rewire the IAC because the y7 uses a rotary three wire iac like a auto car. And the y8 iac would have the regular 2 wires, maybe that could be your problem. Also reset your ecu for a few hours, that worked for me once. |
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| Author: | 92EH9 [ January 07, 2006 ] |
| Post subject: | |
^^ what he said, try cutting the orange wire i believe and grounding it. this willsmooth out the idle but cause you to throw a cel code. |
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| Author: | hondalowlow [ January 25, 2006 ] |
| Post subject: | |
i swapped the y8 in and the engine was a auto y8 with no iavc so i kept the y7 TB and installed it and no wire changes were needed i ran a vafc1 for vtec and fuel tuning |
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| Author: | homere [ April 03, 2006 ] |
| Post subject: | |
Well i have tried everything and i dont know what else to do. I put a new tb, new tb gasket, different intake mani, new tps, new ecu, i have tried everything i can think of and i cannot get the damn thing to stop idling crazy it bounces from 2k-3k. But the other day i had it running and stuck my hand over the intake and completely blocked it. You would think it would just shut itself down but i had my hand completely plugging it and it idled down to a smooth 800rpms, perfect. So judging from that there is a massive vaccuum leak somewhere. Could the head be cracked? Or is it because that is an air injection motor and i dont have the air injection blocked off properly? Any help is appreciated. |
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| Author: | munster [ April 03, 2006 ] |
| Post subject: | |
I never messed with D series head swaps, but I thought you were supposed to plug those holes or some of them? |
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| Author: | will23e [ April 04, 2006 ] |
| Post subject: | |
IAC |
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| Author: | Jaydium [ July 02, 2006 ] |
| Post subject: | |
have you solved the problem? i had the same problem in my d16z6....take the intake off, the bottom valve in the throttle body, put your thumb or finger over it, if it solves the problem (idles correctly) its your fast idle valve, which sits below the throttle body (has 2 coolant lines running thru it) |
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