vtec not kick and i think timing is off please help
Thread Starter
Joined: Jan 2004
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From: Rockaway, NY, USA
vtec not kick and i think timing is off what is my problem
ok i had my d15 jdm motor in my car for about 1 year and i just wired up vtec i have the p28 ecu and the obd1 dis and the 4 wire o2 sensor but here my problem . first with my timing there are three mark and then there is one by it self and for some reason i can,t get it to go to the red mark the mark in the middle. right now i have it at the white mark and it fills ok and it fill better with this p28 ecu then the pm6 but my other thing is that the vtec isn,t kicking in i check it by hookinh up a light to it and i get nothing do the timing has something to do with that or is it something else please help
Modified by racingant at 8:46 AM 7/7/2004
Modified by racingant at 8:46 AM 7/7/2004
Junior Member
Joined: Feb 2004
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From: Chesapeake, VA, USA
Re: vtec not kick and i think timing is off what is my problem (racingant)
When setting the timming use the mark thats all by its self. not the red one or the 2 around it. The one thats by itself is for Setting the timming. 
Keyboard Humorist
Joined: May 2002
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From: Granada Hills, Ca, USA
Re: vtec not kick and i think timing is off what is my problem (racingant)
Hook a wire and switch directly to the VTEC solenoid and try to operate it manually when you are driving. That should give you some idea of where to start troubleshooting. A few conditions have to be met through input to the ECU from various sensors before the ECU activates VTEC. If all conditions are met the ECU sends off a signal to the VTEC solenoid and off you go. VTEC solenoids sometimes go bad so that's why I suggest you check it first.
You need to set the timing by FIRST disabling the electronic ignitino advance.
Have you done that?
You need to set the timing by FIRST disabling the electronic ignitino advance.
Have you done that?
Thread Starter
Joined: Jan 2004
Posts: 871
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From: Rockaway, NY, USA
Re: vtec not kick and i think timing is off what is my problem (4drEF)
ok i'm going to trying and run the switch to run vtec but how do i check to see if the ecu is getting also the right reading. i hoook up a light to the vtec wire that comes out the ecu and i got nothing but the car run find but i know that i have to get i new tpc will that have something to do with it and i'm have a problem with it when it starts up in the morning. it will start but it take a little longer then normal to start and when it runs and it cold if i give it gas the car will shut off but when it warm no problem at all what is my problem
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