Originally Posted by AnthonyF
yep the car has to get to normal opertating temp(basically warm up) for VTEC to work. make sure the solnoid is plugged in and check the coolant temp sensor which should also be somewhere in that area. Ant is on the $$ on this one. when my car is cold there is no VTEC. as soon as it warms a lil it works. check the code and fix it man if you need the coolant temp sensor get it, but you may just have a bad connection on the plug or not plugged in all the way. if i remember correctly can't these be stubborn at times while unhooking.
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