Help,vtec Hits When It Wants To Hit
 

VTEC HITS WHEN IT WANTS TO HIT ?????????? i have a single vtec out of a del slow (LOL) and its in my 91 ef im using a msd actavation swith for the vtec and i used the test light and it comes on when its supose to but when u are drive u can only feel it once in a while :dunno: if anyone knows what may be the problem please reply or send a email to andre_cincinnato@hotmail.com

mostly a result of low oil, or a blocked vtec solenoid screen, call me at 6478850393 could check it out if you need, at a price.

i changed the vtec solenoid and cleaned the screen and there is oil jus somtimes it hits hard and somtimes i bairly hear it

Try your oil pump it might be bad. you might not be getting the pressur you need.

Check the connections and the ooutput of the MSD