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Discussion Starter · #1 ·
have a problem that maybe someone can help me with.

what I have

03 Type S JRSC 3.0 inch pulley

problem

Vtec won't engage. Vtec point is set at 3500RPM. Car pull on low cam only. No high cam.

Kpro tells me everything is ok except for Knock sensor. it says knock sensor circuit malfunction. No other error codes have shown up. Kpro even tells me that its on high cam map but I know the high cam didn't kick in.

so far, I have checked wiring, VTEC control solenoid. VTC solenoid, VTEC oil pressure switch and I even clean out that little filter inside VTEC control solenoid.
open up valve cover and physically checked rocker arm and everything is fine.
I have erase the ECU and uploaded a new cal.

here is the cal and datalog.

I am running out of ideas.
 

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Zilla 4 Rilla ©rew #0
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16,800 Posts
check your oil
 

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Discussion Starter · #4 ·
vtec

I forgot to mention, I have also changed the oil and it is full. I think that the Vtec solenoid is not switching but still returning a voltage to the ECU.
 
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