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Old 12-07-2008, 11:08 AM   #1 (permalink)
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vtech problems?!?

hey guys latley i have been having trouble with my vtech ill try and explain it the best i can,

ok so this happens every so often and it is starting to happen more and more (about 50% of every time i go into vtech)... when im driving along and i decide to go WOT i hit the vtech crossover and hear it kick in, and then i start to climb to about 6500-7000 rpm and the vtech will give out , it is almost like a missfire or my engine cutting out for a tenth of a second or so, then i usually get off the gas because im scared ****less, its driving me crazy!

This use to happen when the engine was cold and that is understandable but it happened today when i was driving back to campus from my parents house, which is over a 45 minute drive. I stopped at a gas station checked the oil and it seems fine.

I just installed a AEM SRI but im pretty sure that would have nothing to do with and my car did this before i had this intake, so im positive that cant be it.

Thanks for the help!
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Old 12-07-2008, 11:40 AM   #2 (permalink)
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What model Vtech? If you have your receipt you should just take it back to the store and exchange it. Sounds like a defective model, how far are you away from home when it cuts out? Maybe get a higher Mhz?
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Old 12-07-2008, 11:52 AM   #3 (permalink)
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Im sorry if this sounds stupid but im not really sure what your asking, im kinda new to the honda game, its a h22a4,... is that what your asking for, and i am not the original owner of the car. i bought it about 2 months ago
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Old 12-07-2008, 11:59 AM   #4 (permalink)
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He's asking whether or not it's one of those models. Or maybe you need to get a higher quality vtech model with higher MHz so you can go further without it missfiring.
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Old 12-07-2008, 12:05 PM   #5 (permalink)
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It's a joke bro, "VTECH" is a consumer electronics brand, they make cordless phones and kids learning games. "VTEC" is Variable valve Timing with Electronic Control, a creation of Honda motors. Unfortunately, besides the comical sarcasm, I am of no further help to your problem...
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Old 12-07-2008, 12:07 PM   #6 (permalink)
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dude..ok...ignorant me.... i was just looking for some useful information
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Old 12-07-2008, 12:12 PM   #7 (permalink)
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Haha, like I said, just a joke mang... You'll definitely find useful info here just try searching
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Old 12-07-2008, 12:59 PM   #8 (permalink)
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i don't know what's more upsetting, that there's no help or i was beaten to the vtech joke
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Old 12-07-2008, 09:26 PM   #9 (permalink)
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Quote:
Originally Posted by candlewax20 View Post
hey guys latley i have been having trouble with my vtech ill try and explain it the best i can,

ok so this happens every so often and it is starting to happen more and more (about 50% of every time i go into vtech)... when im driving along and i decide to go WOT i hit the vtech crossover and hear it kick in, and then i start to climb to about 6500-7000 rpm and the vtech will give out , it is almost like a missfire or my engine cutting out for a tenth of a second or so, then i usually get off the gas because im scared ****less, its driving me crazy!

This use to happen when the engine was cold and that is understandable but it happened today when i was driving back to campus from my parents house, which is over a 45 minute drive. I stopped at a gas station checked the oil and it seems fine.

I just installed a AEM SRI but im pretty sure that would have nothing to do with and my car did this before i had this intake, so im positive that cant be it.

Thanks for the help!
check spark plugs, wires and gap. clean fuel system, possibly change fuel filter. Get it back to where you have a good basis to start testing the other more major things.

Try cleaning the vtec solenoid and changing the vtec gasket with the screen in it.

Last edited by Darren's 01 SH; 12-07-2008 at 09:28 PM. Reason: one more thing
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Old 12-07-2008, 09:40 PM   #10 (permalink)
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Quote:
Originally Posted by candlewax20 View Post
hey guys latley i have been having trouble with my vtech ill try and explain it the best i can,

ok so this happens every so often and it is starting to happen more and more (about 50% of every time i go into vtech)... when im driving along and i decide to go WOT i hit the vtech crossover and hear it kick in, and then i start to climb to about 6500-7000 rpm and the vtech will give out , it is almost like a missfire or my engine cutting out for a tenth of a second or so, then i usually get off the gas because im scared ****less, its driving me crazy!

This use to happen when the engine was cold and that is understandable but it happened today when i was driving back to campus from my parents house, which is over a 45 minute drive. I stopped at a gas station checked the oil and it seems fine.

I just installed a AEM SRI but im pretty sure that would have nothing to do with and my car did this before i had this intake, so im positive that cant be it.

Thanks for the help!
Are you 100% sure about the oil level? You might not be getting an accurate level if you check it immediately after driving. Let the car sit for a while (maybe an hour), and then check.
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Old 12-07-2008, 09:53 PM   #11 (permalink)
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Hahaha, you know, a couple months ago, it felt like this forum was almost dying, not a lot of posts from the elderly round anymore...but now, its coming back........about vtec, I would probably say it isn't the oil, because if it was, wouldn't the vtec not come on at all??, instead of for a few rpm until it gets higher(apparently above 7000?
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Old 12-07-2008, 10:04 PM   #12 (permalink)
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ok couple questions.

first do you have a check engine light on?
do you have a v-tec controller?
what type of oil are you using, as in weight and viscosity?
how many miles on the car?
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Old 12-08-2008, 12:34 PM   #13 (permalink)
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check engine light is not on, i do not have a v-tec controller not sure about the oil because i just got the car a little bit ago checked the oil and it was fine so i havent changed it yet, the car has 104,xxx miles on it, and about the oil lvl blacklude1 you are right, i checked after i was driving it for about 40 minutes so im not sure.
the car is going into the mechanic this week to have the timing belt changed, along with the water pump and a full tune up, so ill let you guys know what happens
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Old 12-09-2008, 12:52 AM   #14 (permalink)
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You shouldn't be going into VTEC until the engine is at normal operating temperature. That's possibly why it's cutting out. Let your engine warm up before you beat on it. You are damaging the internals by driving it that hard when the oil is still cold and not flowing as well. As far as it cutting out when it is warm, try cleaning the VTEC solenoid screen. It may be clogged. Use the search button to find out how.
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Old 12-09-2008, 08:26 AM   #15 (permalink)
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when you put your ignition on did you see the check engine light for about 3 sec if yes you dont have a big problem ..

vtec need minimum of 50 km/h- warm temp form the engine -and oil pressure the less cost for a good idea just flush your oil and filter change it you will need almost a 4 liter of oil to fill it up ..

i would personaly turn off the vtec controller you dont need it for this test

the ecu know when to kick the vtec


if you dont have this light when you put the ignition on do this step

plug a scanner obd2 on it

i wish i help you
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Old 12-09-2008, 11:19 AM   #16 (permalink)
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Like I said before and someone else said, it might be your vtec solenoid screen is clogged. Its a quick fix and isn't expensive. you have to go though the trouble shooting in steps and I would say this is right after check oil and check for codes.

Has the vtec even kicked in properly and Have you ever seen the CEL come on. I've heard of people taking the CEL bulb as well as the ATTS bulb out so they could sell the car.
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Old 12-09-2008, 12:59 PM   #17 (permalink)
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ok so like i said before i checked the oil after coming back to school (45 minute drive) and it was fine, but the car had been running for quite awhile so i let it sit for about 4 hours and went out and checked it... and i came to find out that the oil was very low, the dipstick had very little oil on it. so i went to walmart, because at this time it was to late for autozone or anyother place to be open and i bought 3 quarts of oil put it in and the car runs like a champ!
I thought if i was low on oil the vtec wouldnt kick in at all?
But that seems to have been the problem, btw the car gets a full tune up on thursday
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Old 12-09-2008, 01:54 PM   #18 (permalink)
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Quote:
Originally Posted by boymeetsfence View Post
It's a joke bro, "VTECH" is a consumer electronics brand, they make cordless phones and kids learning games. "VTEC" is Variable valve Timing with Electronic Control, a creation of Honda motors. Unfortunately, besides the comical sarcasm, I am of no further help to your problem...


That's "Variable Valve Timing and Electronic Lift Control"

And yeah, sometimes you just gotta check the oil when it's cold and recheck that dipstick two or three times to be completely sure. I could hit VTEC when I was 2 quarts low, but I never got any lower than that. VTEC won't function if oil pressure gets too low, not if the oil level gets too low. Sometimes if conditions are just right and you're pretty low on oil, your engine is still making decent oil pressure and you can hit it. (and there's a couple other sensors the computer checks to make sure the engine is ready for VTEC)

But as you climb into higher RPMs, your engine may have been running out of oil for the sump to pump in your oil pan because it was all being used to lubricate all the moving parts and none was returning to the pan fast enough.
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Old 12-09-2008, 02:32 PM   #19 (permalink)
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He's asking whether or not it's one of those models. Or maybe you need to get a higher quality vtech model with higher MHz so you can go further without it missfiring.
dude that keypad is ever so sweet.
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Old 12-09-2008, 03:00 PM   #20 (permalink)
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here the OEM
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