Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [vtec]

Variable Valve Timing and Lift Electronic Control is a dynamic valvetrain system developed by Honda Motor Corporation that allows a second cam lobe to operate the valves and change the valve timing under higher RPM conditions

VTEC is a technology that changes the cam profile and timing of some Honda internal combustion engines. VTEC technology is located in the cylinder heads of the engine.

VTEC based engine image

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Image highlighting Honda's VTEC valvetrain

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Is it right to say that VTEC is solely by Honda?

I have an i-VTEC engine, which Honda claims to be a better and computerized version of their famous VTEC Engine. Now I am wondering: Is it right to tell people that only HONDA has VTEC? or is this technology distributed to other manufacturers as a…
Jomar Sevillejo
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What exactly is Honda's i-VTEC technology

I see that almost all of Honda's cars have an "i-VTEC" logo at the back. I googled it and came to know that it has something to do with different cam profiles. Can someone explain? A diagram or animation would be helpful. And why does Honda do it?
Shobin P
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1994 Honda Accord EX (F22B1) - Valves still making a ticking noise

I have a 94 Honda accord Ex (F22B1). When I bought it a few days ago the previous owner mentioned a few of the issues that he could remember. Since I've only ever owned Honda's and have worked on them for some time I figured there wasn't a problem I…
Robert Snyder
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Will vtec engage without a factory released VTEC ECU when swapping to VTEC engine?

I replaced my honda civic d15z4 engine with a d16A. Apparently, VTEC engages at 5500rpm on these engines. My car is still practically standard, I'm not sure if it does switch over, if it does, the sound is very subtle, but I'm not sure that the…
pythonian29033
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2003 Honda Civic 1.7 vTec - White Smoke from the tailpipe

I have a Honda Civic 2003 gx 1.7 liter vTec stick shift 4 cylinder. Just today I had to put oil in my car. Drove for about 5 minutes got to a light and when I shifted into first gear a white cloud of smoke came out the tailpipe, stopped and let it…
Ulises Delgadillo
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What I need to convert a standard Civic into a VTEC

Ok so my '97 Civic 150i is running a little to slow for my liking. I want it to be able to hang with a 2.0. The first thing that comes to mind is swapping the motor out to make it the same as a VTEC under the hood. What I want to know is, do I need…
pythonian29033
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At what level does low oil prevent vtec from working?

Just got my first vtec honda and vtec isn't kicking In and before I take it to my mechanic to see what it is I'm curious to know how low the oil has to be to effect the vtec. My oil level is just in the optimum range but I read that high revs starve…
Brayden
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Bolt SITTING in car after Head Gasket repair?? 2005 honda civic won't go above 4,000 rpm

2005 Honda Civic won't go above 4,000 RPM--CEL throwing P2646 ('A' Rocker Arm Actuator System Performance / Stuck Off Bank 1) Just got my head gasket replaced, but then CEL came on so I took back to mechanic and he said that he overfilled the oil,…
Prodnegel
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Temperature gauge needle is on Hot, but engine is not overheating

car is a 1996 Honda Civic EK hatchback. B16A2 DOHC VTEC engine. Currently has 204,000 kilometres (127,000 miles) When the car is on a stop and idling, the temp gauge needle goes up steadily, and when the car is running, the gauge goes back to normal…
110100100
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Where does this go?

I was replacing the head gasket on my 1998 Honda Civic ex it has a d16y8 SOHC VTEC engine. I am stumped on where this little piece goes. It’s not a head pin or anything like that. Please help!
Dylan Palmer
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Honda 2.4 VTEC (2002 CRV): Throwing code P1259 after doing a lot of work on it this weekend

The upper radiator neck broke in half on our 2002 Honda CR-V (2.4 VTEC), which lead to some overheating. It was hot for about half a mile based on her story.. So this weekend I replaced the radiator and did a few other things while I had extra room…
elrobis
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Changing or disabling vtec switchover RPM in 7th generation Honda Accord

I am considering increasing the VTEC switch-over point in my 2007 Honda Accord. The reason I want to do this is to improve the MPG of the car. In this question I am ignoring the open loop versus closed loop effects because all the driving I plan to…
user25009
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Is V-TEC Reliable?

I'm thinking of purchasing a 2001 Honda Civic that has v-tec on the side panel of the drivers side. Are V-TEC engines reliable, and are they well known for performance? The car I'm thinking of has 300,000 kms on it. Will it be worn out by this…
Valerie
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Honda City vTec Slow Start

I have a Honda City 2005 vTec Manual Transmission Car, which will be due for servicing in another 1000KM. I am not well used to driving manual car and I face a lot of traffic everyday going and coming back from work but what I noticed recently was…
Laredo
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timing belt 96 honda accord vtec

So the other day I was driving and my timing belt broke I tried to turn the key a few times then tore off the valve cover and noticed that the timing belt was broken people have told me the engine might be junk now how do I check
im-not-a-pro
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