could my tps cause my vtec not to work and my red line to stop at 6400 rpm?

 

do you have any check engine lights on? TPS is just the throttle positioning sensor and i doubt unless its throwing a code that it could be causing VTEC not to work.
What type of ECU do you have? judging by your display pic it appears to be a 92-95 so the ECU should be P28.

 

yeah i have a p28 ecu but no CEL and my car still redlines at 6400 not sure why, i changed my selinoid and that was it and my ecu is fine as well

 

i am still trying figure this out

 

If a rev limiter is kicking in at 6400, it's your ECU that's doing it. You need to either get ahold of another ECU or reprogram the one you have. Even borrowing one for few minutes will tell you for certain if the computer is causing your VTEC problem as well.

 

You should try resetting it, disconect the neg terminal from battery and reconnecting.

 

Check your speed sensor. If it doesn't work v-tec wont kick on.

 

X2

 

its not the ecu i put another one in, my battery has been disconnected alot, its a new speed sensor plus my speedometer works

 

and i hooked my ecu into another car and vtec kicked ind

 

still need help

 

check the wiring on your vtec solenoid.

 

its fine

 

check your ground...could it be the knock sensor? what engine harness did you use?

 

its an ex with the stock motor so whatever harness comes stock on the car and i am not throwing any codes

 

knock sensor WILL throw a code.

 

what all did you check and how did you check it? are you sure your solenoids not the problem? hows the oil? any other problems as in driveability fuel milage? anything
no it wont be the tps cause if that was bad one of two things would happen.. either your car wouldent start or it would idle fine but as soon as you give it gas would die out or just straght up run like ****..
the knock sensor has nothing to do with vtec

 

yeah and i dont have one so i am still stuck on this one i have not been able to figure it out

 

oh yeah, Murk is right. Not enough oil pressure will cause vtec to fail.

 

you didnt answer my questions.. yeah isnt an answer to them

 

i changed the solenoid and the ecu and oil is fine nothing has changed on th fuel milage

 

do you have a DMM or a voltmeter? if so do voltage drop accrost the solenoid to make sure its getting and using the power

 

its fine and why would my rpms stop at 6400 ?

 

so you already did a voltage drop acrost the solenoid? what you get?
the reason its limiting you at 6400rpm is cause the pcm knows theres a problem and its not gonna let you get into the range you need vtec..
how do you know theirs no code? did you actually do the correct procedure to find out?

 

yeah i used the jumper wire and the light was solid and dont think it is the solenoid