Temp Gauge on cold VTEC not engaging

[TYPE-R617]

when my temparature gauge is still on cold my vtec doesnt seem to come on, i have to wait till the gauge is near the middle before i notice the vtec kicking in. is this normal? does anyone else have this problem? opinions please.

[ef8]

VTEC wont engage untill oil and water temp are at a certain temp. About
60 degress.

[weeman]

you shouldn't be revving your engine out that much until its warmed up anyway, you could seriously damage you engine doing that

[STTICH]

VTEC wont engage untill oil and water temp are at a certain temp.

as said. vtec won engage when engine's cold. wait till it warms up..don push it while its cold.. no no ~

[Menzy]

what the rest said ...

[TYPE-R617]

oh sweet thanks guys

[tinkerbell]

even when coolant temp is 'hot', the engine oil will not be upto proper temperature and you risk damage to the engine...

this also applies to the gearbox oil temperature... it would take an engine about 15-20 mins to get "up to temperature"

[roar]

yer...the temp guage applies to coolant temp not oil temp...that guage doesn't tell you too much...what i do is don't bring it about 3500 revs until the temp guage shows a middle range...then for next 5-10 min don't vtec it...after that should be sweet

[aaronng]

I've heard that coolant temperature gets hot twice as quickly as oil temperature. So if it takes 10 minutes to warm up, wait another 10 before you give it some full throttle redlining.

But if you are driving normally, then all you have to do is warm up for 1-2 minutes and then drive off.

[tinkerbell]

aaronng - i personally believe you can skip the 1-2 minute warm up, and start driving within < 30 seconds of starting the engine...

[roar]

agreed with tink...with old engines that warm up period is essential...but newer engines are made to operate instantaneously

[h22a accord]

some honda engines even have a rev limiter set lower than normal when the engine is cold to stop you from revving it too high.