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vtec not engaging.

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Old Aug 9, 2008 | 09:11 AM
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Default vtec not engaging.

** IVE SEARCHED AND SEARCHED AND SEARCHED AND STILL SEARCHING **


my vtec does not engage for me what so ever...i have a 00 euro r h2b in a 93 hatch controlled by a p72 on hondata s200...i used this computer on reg h22 and it worked no prob.

my speedo works
my rpms work
i have plenty of oil
my coolant temp sens is working
my map sensor is working
vtec solenoid is new

i don't have a vtec pressure switch, but i did the bypass by connecting a wire from a4 to d6, the vtec press switch plug is grounded, and plug just hanging.

i was thinking it could be distributor related? everything runs smooth but vtec will not engage. i'm pretty sure i did the 8 wire to 9 wire conversion correctly because of the way it runs. but maybe i don't have the rpm signal lead in the right spot? any info would be great,

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Old Aug 9, 2008 | 06:13 PM
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Default Re: vtec not engaging. (antivic)

anything? =/ still didnt get it
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Old Aug 10, 2008 | 09:34 AM
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Default Re: vtec not engaging. (antivic)

I changed with oil today just to see...and still nothing...im revving to 6800...it sounds like it changes over but hits rev limiter at 68...could it be distributor wiring? I've searched and found no answers...everything was left un answered...input please! thank u
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Old Aug 10, 2008 | 03:12 PM
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Default Re: vtec not engaging. (antivic)

OBD1 large plug............. goes to .................. OBD2 large plug
White/Blue ................................. REd
Orange/Blue ............................... Green
White .................................. Black
Orange .................................. Yellow
Blue/Yellow ............................... White
Blue/Green ............................... Blue
Yellow/Green .............................. Yellow/Green

OBD1 small plug .................. goes to ...................... OBD2 large plug
Black/Yellow LARGE ................................... Black yellow small

There is no tach wire on the OBD2 side....so the small blue on the second OBD1 distributor plug needs to get jumped....you can tee this into the yellow/green wire for a tach signal.


thats what i used for my distributor conversion, is it accurate?
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Old Aug 10, 2008 | 06:33 PM
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Default Re: vtec not engaging. (antivic)

ok so i found out vtec does hit, hits around 4800 and goes to 6800 and hits rev limiter, so i know its def not a vtec problem anymore...does it look like i did the distributor right?
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