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need help i have no power when vtec kicks in

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Old Aug 11, 2005 | 09:13 PM
  #1  
mr.roboto's Avatar
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From: houston, tx, usa
Default need help i have no power when vtec kicks in

i have a ef si hatch with a ls vtec motor. and i'm running the pm6 ecu with a switch to turn on the vtec. my car pulls but when i turn on the vtec i can hear it but it just doesnt have any power. i tryed to put on a obdo to obd1 conversion harness with a p72, but my car will not start up. someone help me out please
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Old Aug 11, 2005 | 09:14 PM
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asocallocal's Avatar
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Default Re: need help i have no power when vtec kicks in (88efbox)

maybe u need a chipped ecu for more fuel and vtec.


PS i have a obd1 skunk2 chipped ecu for sale if u want to buy it
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Old Aug 11, 2005 | 09:20 PM
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Default Re: need help i have no power when vtec kicks in (asocallocal)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by asocallocal &raquo;</TD></TR><TR><TD CLASS="quote">maybe u need a chipped ecu.</TD></TR></TABLE>
my friend is running the same set up with the vtec hooked up to a switch. and i tryed his chipped pm6 ecu and the same results
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Old Aug 11, 2005 | 09:21 PM
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Default Re: need help i have no power when vtec kicks in (88efbox)

What RPM are you engaging at?


Oh yeah....and having a physical swithc to activate vtec is kind of silly.
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Old Aug 11, 2005 | 09:28 PM
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Default Re: need help i have no power when vtec kicks in (88efbox)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 88efbox &raquo;</TD></TR><TR><TD CLASS="quote">i have a ef si hatch with a ls vtec motor. and i'm running the pm6 ecu with a switch to turn on the vtec. my car pulls but when i turn on the vtec i can hear it but it just doesnt have any power. i tryed to put on a obdo to obd1 conversion harness with a p72, but my car will not start up. someone help me out please
</TD></TR></TABLE>

Wow, just wow. You are running a 1.6l stock sohc ecu on an ls vtec with a switch to activate vtec and your wondering why it has no power. first of that ecu does not have the fuel and timing maps to support that engine whatsoever, you need to properly wire the car for vtec including the knock sensor and oil pressure switch. Dont half *** things, the only place that will leave you is on the side of the road with a blown motor.
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Old Aug 11, 2005 | 10:01 PM
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Default Re: need help i have no power when vtec kicks in (xEnderx)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by xEnderx &raquo;</TD></TR><TR><TD CLASS="quote">What RPM are you engaging at?


Oh yeah....and having a physical swithc to activate vtec is kind of silly. </TD></TR></TABLE>

i flip the switch to about 4500k, and yes i know the switch is gettho but i would rather have vtec the no vtec.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by PURPLETERROR &raquo;</TD></TR><TR><TD CLASS="quote">

Wow, just wow. You are running a 1.6l stock sohc ecu on an ls vtec with a switch to activate vtec and your wondering why it has no power. first of that ecu does not have the fuel and timing maps to support that engine whatsoever, you need to properly wire the car for vtec including the knock sensor and oil pressure switch. Dont half *** things, the only place that will leave you is on the side of the road with a blown motor.</TD></TR></TABLE>

there is no way for me to wire the vtec up right. i have a obdo to obd1 conversion harness with a p72 and the car would not start at all. i had the oil sensor and vtec siliod hooked staight up to the ecu but it wouldnt start up. it would almost start up but then turn off and i would continue to try to turn over. what could be the problem with the car not starting up. i tried it on my friends ef and it started right up. i have obd1 injectors with a obdo ls distributor
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Old Aug 11, 2005 | 11:30 PM
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Default Re: need help i have no power when vtec kicks in (88efbox)

are you using an obd1 distributor with your obd1 ecu? I have a chipped obd0 pr3 ecu, includes stock chip too if you want to buy it
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Old Aug 12, 2005 | 07:07 AM
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Default Re: need help i have no power when vtec kicks in (InJ3cted)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by InJ3cted &raquo;</TD></TR><TR><TD CLASS="quote">are you using an obd1 distributor with your obd1 ecu? I have a chipped obd0 pr3 ecu, includes stock chip too if you want to buy it</TD></TR></TABLE>
i have a obd0 ls distributor on it right know. so does that meen i cant convert it to obd1 cause of the distributor? if so what is the letters and #'s for a 93 integra gsr? or will a pr3 work the same? and how do i hook up the vtec and pressure sensor to a obdo hareness?
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Old Aug 12, 2005 | 08:44 AM
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Default Re: need help i have no power when vtec kicks in (88efbox)

obd0 pr3 is for the b16 with timing and fuel maps for dohc. Yea you need an obd1 distrib.. You need to run i think 2 wires to to these pinouts A08 and A10 http://tech2.hybridgarage.com/...pr3_a then you need to run a ground. Hope this helps
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Old Aug 12, 2005 | 09:15 AM
  #10  
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Default Re: need help i have no power when vtec kicks in (InJ3cted)

thanks
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Old Aug 13, 2005 | 08:55 AM
  #11  
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Default Re: need help i have no power when vtec kicks in (88efbox)

can someone show me the a08 pin and a10 pin on the A plug. i got a pr3 but the vtec doesnt kick in
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Old Aug 13, 2005 | 04:41 PM
  #12  
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Default Re: need help i have no power when vtec kicks in (88efbox)

????
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Old Aug 13, 2005 | 08:53 PM
  #13  
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Default Re: need help i have no power when vtec kicks in (88efbox)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 88efbox &raquo;</TD></TR><TR><TD CLASS="quote">can someone show me the a08 pin and a10 pin on the A plug. i got a pr3 but the vtec doesnt kick in</TD></TR></TABLE>
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Old Aug 14, 2005 | 08:56 AM
  #14  
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Default Re: need help i have no power when vtec kicks in (88efbox)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 88efbox &raquo;</TD></TR><TR><TD CLASS="quote">can someone show me the a08 pin and a10 pin on the A plug. i got a pr3 but the vtec doesnt kick in</TD></TR></TABLE>

i cant belive everyone knows how to build motor. but yet yall dont know the plugs and pins on a pr3 vtec solinod and oil pressure sensor on the ecu.
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