frokido

broke my vtec oil pressure SWITCH and need this car running by the end of the weekend. dont want to start it up and get over 4 grand without knowing im not going to damage anything. any insight?

frokido

nobody?

frokido

noone?

slowcivic2k

You need to have that sensor functional for two reasons.

1: So your ECM knows that there is enough oil pressure available to supply the entire VTEC system for proper operation.

2: If such a loss of oil pressure does occur before or after VTEC, you will not further starve the base engine of oil. (IE mains, rods, rocker jets) The engine will switch VTEC off.

frokido

this is a permanent shut off of my v tec or will i be able to break it open and turn it back on some how?

slowcivic2k

Yes, until you replace the switch, VTEC will not work at all.

fungus mungus

Mine worked after breaking that switch. You just lose the protection that this switch gives you should your oil pressure drop. I wouldn't advise driving long without it (especially hitting VTEC), but the car will run fine without it until you get a replacement.

fm

slowcivic2k

The PCM requires that input to turn VTEC on. Either you have bypassed that switch, or your using some sort of aftermarket VTEC control. (IE Chipped ECU or VAFC comes to mind)

Hell VAFC's will turn VTEC on when the car is not moving... LOL

fungus mungus

I have a Hondata, so that may be it. I freaked out when I busted the switch and figured VTEC wouldn't engage. But yeah, mine did (I tried it once and backed off). Whether or not VTEC engages or not, the car will run long enough to him to get his replacement switch.

fm

frokido

hmmm sounds like some good advice guys i really appreciate it