car wont rev past 4500

[davids8126]

cause its hitting a rev limiter as if the car were in neutral and you smacked the throttle....

[Lssplatter]

my friend had the same problem turns out the ecu was in protect mode or something get a quick easy tune and it fixed it right away check that out i know u went through many ecus but seems like everytime it got plugged in it got protected saftey feature of something

[ctvtec]

all you have to do is junk the shit and u will be str8...

[kbrown!]

could be the oil pressure switch for vtec
could be tps
do you have a chipped ecu with 2 step?
does your speedo work?

[mark11017]

if vtec system isent working its not going to rev past where vtec is suppose to crossover. unplugging tps plug will not stall the car out ether. it would sound and run like ass if you open throttle. if your vtec is not properly working that is most likely your problem.

[davids8126]

if my vtec wasnt working it would roll past without it cracking... if my speedo cable that goes to the tranny was unplugged it would hit my vtec which was 5100 and stop going.. find that cable and plug it in im almost betting its what it is

[mark11017]

if my vtec wasnt working it would roll past without it cracking... if my speedo cable that goes to the tranny was unplugged it would hit my vtec which was 5100 and stop going.. find that cable and plug it in im almost betting its what it is

yeah its weird had a single cam roll pass vtec engagement, buy my ls v would hit a rev limit at the crossover.

[WestoN]

Yeah my friends' car revs past vtec engagement with a bad solenoid so I don't think its that