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Switch in my car for vtec engagement

 
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Old 12-10-2011, 03:16 AM
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Switch in my car for vtec engagement

So I bought a h22a in a accord. Vtec doesn't engage so I was thinking of just wiring a switch in my car to turn it on manually, I tested the solonoid and it works I left it on and started my car, I revved it up a bit and all i smelt was alot of gas. Just wondering what your thought are on this
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Old 12-10-2011, 04:26 AM
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Re: Switch in my car for vtec engagement

personally I would find out what is actually wrong with it and fix it right, it's up to you though, it's your car
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Old 12-10-2011, 04:53 AM
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Re: Switch in my car for vtec engagement

theres some problem are youre trying to go around it when you should just fix it
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Old 12-10-2011, 05:41 AM
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Re: Switch in my car for vtec engagement

I've tried many things, I've changed the oil, checked over all the wiring, tested solenoid(and it clicked) changed oil presure switch. Now I'm just fed up I want to feel vtec.

Does anyone know if this will work proper?
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Old 12-10-2011, 11:30 AM
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Re: Switch in my car for vtec engagement

the car from the factory wasn't wired for vtec.......... does it have the stock ecu or the one that is supposed to go with the motor???


what year is your car?
what h22 do you have?
what ecu do you have?
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Old 12-10-2011, 11:44 AM
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Re: Switch in my car for vtec engagement

someone changed wrong head gasket?
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Old 12-10-2011, 02:11 PM
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Re: Switch in my car for vtec engagement

am with og on this one, by the sounds of it. it lacks the ecu that goes with that engine

see if block code and ecu match up then start from there
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Old 12-10-2011, 02:44 PM
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Re: Switch in my car for vtec engagement

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Originally Posted by ogsmakdade View Post
the car from the factory wasn't wired for vtec.......... does it have the stock ecu or the one that is supposed to go with the motor???


what year is your car?
what h22 do you have?
what ecu do you have?
The engine stuffs 96 h22a 4th gen, and the ecu says h22a on it. So I think It should work, that's why I'm thinking putting a switch in
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Old 12-10-2011, 02:45 PM
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Re: Switch in my car for vtec engagement

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Originally Posted by Jai_ View Post
am with og on this one, by the sounds of it. it lacks the ecu that goes with that engine

see if block code and ecu match up then start from there
And I can't get my car scanned because I drive a 94 :/
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Old 12-10-2011, 02:59 PM
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Re: Switch in my car for vtec engagement

try to get another ecu & harness
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Old 12-10-2011, 03:03 PM
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Re: Switch in my car for vtec engagement

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try to get another ecu & harness
The guy I bought it off of said it's a pc28 ecu and f22 tranny(I just called him) which is the right ecu for the prelude?
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Old 12-10-2011, 03:58 PM
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Re: Switch in my car for vtec engagement

Stock ECU is p13. P28 needs a chip and a basemap to work, so it's probably not tuned properly
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Old 12-10-2011, 04:00 PM
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Re: Switch in my car for vtec engagement

Im running chipped and socketed p28 ecu which is programmed/tuned to match my engine/mods
so tune is bad or wiring?
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Old 12-10-2011, 04:03 PM
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Re: Switch in my car for vtec engagement

When you chip a p28, the tuner can set vTec engagement at any RPM, or not at all. Given what you say you've been through and checked already, I would say it's either set too low and you just can't tell it's engaging, or again, it's just not tuned properly.
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Old 12-10-2011, 04:09 PM
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Re: Switch in my car for vtec engagement

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Stock ECU is p13. P28 needs a chip and a basemap to work, so it's probably not tuned properly
So do I just buy a chip off eBay. I have a fields vtec controller if thats what a chip is?
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Old 12-10-2011, 04:11 PM
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Re: Switch in my car for vtec engagement

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When you chip a p28, the tuner can set vTec engagement at any RPM, or not at all. Given what you say you've been through and checked already, I would say it's either set too low and you just can't tell it's engaging, or again, it's just not tuned properly.
When I play with the vtec controller I can change my fuel ratio, then I can change my vtec engagement. I turn it right down nothing happens other than the fuel cut off, and when I turn it to 8000rpm I get the fuel cut at 5600rpm. That's why I'm thinking making my own switch, then I can hopefully get past 5600rpm
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Old 12-10-2011, 04:14 PM
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Re: Switch in my car for vtec engagement

Well, if you're running OBD1, you can find a p13 and hook if up depending on your modifications. If you're still running OBD2 somewhere in there, I dunno. I just know finding a 96 OBD2 p13 is a bitch.
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Old 12-10-2011, 04:32 PM
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Re: Switch in my car for vtec engagement

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Well, if you're running OBD1, you can find a p13 and hook if up depending on your modifications. If you're still running OBD2 somewhere in there, I dunno. I just know finding a 96 OBD2 p13 is a bitch.
Why does obd1 or any of that have to do with vtec? I thought all you need was a vtec ecu?
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Old 12-10-2011, 05:51 PM
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Re: Switch in my car for vtec engagement

you need p72 ecu to get iabs working

Last edited by TypeT; 12-10-2011 at 07:28 PM.
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Old 12-10-2011, 08:48 PM
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Re: Switch in my car for vtec engagement

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you need p72 ecu to get iabs working
I just want to know if this switch would still pull like vtec
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Old 12-10-2011, 11:30 PM
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Re: Switch in my car for vtec engagement

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Originally Posted by Tofasth22a View Post
I just want to know if this switch would still pull like vtec
Don't count on it.
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Old 12-10-2011, 11:33 PM
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Re: Switch in my car for vtec engagement

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Don't count on it.
Why wouldn't it work tho?
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Old 12-11-2011, 10:35 AM
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Re: Switch in my car for vtec engagement

because how your ecu then knows how to make fuel/air rations from nothing to the vtec zone?
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Old 12-11-2011, 11:17 AM
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Re: Switch in my car for vtec engagement

no switch is magically going to make vtec work so stop asking about the damn switch. It's not like turning on a light, there are a few factors at work here.
You need an ECU that will allow and control vtec engagement and parameters. If your car didn't have a vtec engine from the factory, you need to ensure that your wiring harness is wired to the vtec solenoid, and ecu.
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Old 12-11-2011, 01:56 PM
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Re: Switch in my car for vtec engagement

It's not nitrous dude, just get it fixed.
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Old 12-11-2011, 07:04 PM
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Re: Switch in my car for vtec engagement

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It's not nitrous dude, just get it fixed.
I know it's not nitrious, it's a problem I've been working on for 6 months I'm tired of not having vtec, I want to know if someone has done this and did it work. Your ragging on me for trying to fix a problem that none of you have done and don't know if this works.
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Old 12-11-2011, 07:05 PM
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Re: Switch in my car for vtec engagement

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Originally Posted by ogsmakdade View Post
no switch is magically going to make vtec work so stop asking about the damn switch. It's not like turning on a light, there are a few factors at work here.
You need an ECU that will allow and control vtec engagement and parameters. If your car didn't have a vtec engine from the factory, you need to ensure that your wiring harness is wired to the vtec solenoid, and ecu.
I'm doing this tomorrow, and I'll post a video when it's done. Well see if this magic switch will work
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Old 12-12-2011, 08:48 PM
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Re: Switch in my car for vtec engagement

Rywire VTEC Subharness (OBD1 or OBD2) ADD VTEC! | eBay
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Old 12-13-2011, 04:02 AM
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Re: Switch in my car for vtec engagement

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Old 12-13-2011, 04:03 AM
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Re: Switch in my car for vtec engagement

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