S2000 Under The Hood S2000 Technical and Mechanical discussions.

VTEC problems!

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Old Dec 28, 2006 | 10:45 AM
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Default VTEC problems!

Besides being low on oil or not having atleast 3 bars for warm up, what can cause VTEC to not always work? Sometimes it works and sometimes it doesnt when I hit 6K!
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Old Dec 28, 2006 | 01:43 PM
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Just out of curiosity, when VTEC doesn't kick in for you, are you at 100% WOT? If not, that's the problem.
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Old Dec 28, 2006 | 01:47 PM
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[QUOTE=JawKnee,Dec 28 2006, 02:43 PM] Just out of curiosity, when VTEC doesn't kick in for you, are you at 100% WOT?
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Old Dec 28, 2006 | 01:52 PM
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failed vtec solenoid or a problem building oil pressure maybe
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Old Dec 28, 2006 | 01:56 PM
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Originally Posted by deathsled,Dec 28 2006, 02:52 PM
failed vtec solenoid or a problem building oil pressure maybe
what can cause an oil pressure problem?
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Old Dec 28, 2006 | 02:07 PM
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Some likely causes that I've found:

Really dirty air filter, or faulty MAP sensor.
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Old Dec 28, 2006 | 02:19 PM
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Originally Posted by Ztopgun28,Dec 28 2006, 05:47 PM
What's WOT in lamens terms? I never undertood that. But I do know when VTEC doesnt kick in, my car feels the same after 6K, as in I feel no extra boost in power or hear the VTEC kick in! The rpms just go high with no power like in a regular car w/o VTEC. Also, if in case I am in 100% WOT and my VTEC doesnt work, what kind of problem are we talking about? And what could have caused all this?
WOT - wide open throttle.

Just for clarification - are you saying the RPMs go up but the car doesn't accelerate or that you don't feel the "kick"?
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Old Dec 28, 2006 | 06:48 PM
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One not yet mentioned is fuel. If you are at or below 2 bars of fuel it can have an effect.

I had a friend that had some problems a wile back, so I took apart the vtec solenoid and cleaned it. reinstalled it and it has been working ever since.

Are you getting a CEL?
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Old Dec 28, 2006 | 07:45 PM
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My gas is fine, no cel and I feel no "kick", but still accelerates, and the acceleration isnt that powerful
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Old Dec 29, 2006 | 02:51 AM
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I'd do as Billman suggests first then. He's seen a bunch of 'em.
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