VAFC Issues
01-18-2004, 09:43 PM
#1
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VAFC Issues
Maybe some of those technically minded can help answer this question for me.
Since I have had the VAFC installed, a few times after long drives, my S wont hit V-Tec. It feels like it is hitting the rev limiter at 6K. The emmisions light comes on as well.
Once i shut the car down and restart the engine it all goes back to normal.
Can someone tell me wht is going on?
Since I have had the VAFC installed, a few times after long drives, my S wont hit V-Tec. It feels like it is hitting the rev limiter at 6K. The emmisions light comes on as well.
Once i shut the car down and restart the engine it all goes back to normal.
Can someone tell me wht is going on?
01-18-2004, 10:47 PM
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I never had this problem
I found that the VAFC actually allows me to go into VTEC when it's "coldish" where you normally cant actually go into VTEC. If the engine is too cold then I still can't VTEC( and I dont rev it when it's cold anyway)
I think you should check the VAFC harness and make sure that non of the wires has been diconnected or felled out.
I found that the VAFC actually allows me to go into VTEC when it's "coldish" where you normally cant actually go into VTEC. If the engine is too cold then I still can't VTEC( and I dont rev it when it's cold anyway)
I think you should check the VAFC harness and make sure that non of the wires has been diconnected or felled out.
01-18-2004, 10:55 PM
#3
As it works after a reset I don't think it's a wiring issue. And it's pretty well wired to as it was a complete harness made by Frogtech.
The fact that the emissions light comes on make me think it is an unrelated problem. Maybe it is running too rich or lean somewhere, this is throwing the emissions light, and the ECU is disabling VTEC as a response.
The fact that the emissions light comes on make me think it is an unrelated problem. Maybe it is running too rich or lean somewhere, this is throwing the emissions light, and the ECU is disabling VTEC as a response.
01-19-2004, 01:39 PM
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Yep, its the icon shaped like an engine. I spoke to BD4's who tuned it. They are saying it could be something to do with the temp settings in the VAFC and mentioned that this would only happen on warm days or long drives, which is pretty much true.
Could this be right?
Could this be right?
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01-19-2004, 05:31 PM
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Originally posted by AusS2000
I didn't think the VAFC had any temperature related settings.
I didn't think the VAFC had any temperature related settings.
you seriously should recheck the ECU harness
the wires are relatively easy to fall off the plug
I had to resolder one of my wire when I hook up the Vortech electronic box. It could be any wires in the ECU and of course did not cause any problem with the VAFC's functions.
Good luck
01-19-2004, 05:43 PM
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Good point AusS2000! I will get them to look at it again & hopefully sort it out.
Not having a dig at you mate, just frustrated so please dont take offence.
You also dont reccomend C & V right?
Not having a dig at you mate, just frustrated so please dont take offence.
You also dont reccomend C & V right?