wireing a d16z6

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dok

Senior Member
ok i gat gat this 93 hb it looks like a si it has a d16z6 in it but vtec will not kick in what I was wondering could there be some thing wrong with the wiring or what should I look for as far as a problem
 
i am check the ecu later but is the vtec kick in hard like in a b16a or is it different it has to be a p28 if not thats the problem
 
every thing is the way it should be i kinda fell the vtec at 4800-5000 AND NO CODES MAYBE I AM use to a b16a so it fell like the vtec is not working and it does have 180k miles on it so is the vtec so weak am these motor that i can't even tell if it kicks in or not
 
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