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Will not rev past 5000rpm

9K views 18 replies 9 participants last post by  wild90si 
#1 ·
dame I need help- my car will not go past 5000rpm under full boost in all gears. Is it my dizzy :)wacko:HELP)
 
#2 ·
If your not boosting can u slowly being the rpm above 5k?
It could be a few things. Boost cut. Spark blowing out because gap is 2 big. Bad tune. Dizzy.
Post some more specs. Ur motor , turbo, fuel mangment, spark plug gap, rev over 5k when not bossting?
 
#3 ·
throwing any CEL's? we need info bro to help.
 
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#5 ·
VTEC or Non-VTEC? What ECU do you have in your car and what car are we talking about here.

Sounds to me like a VTEC ECU in a car with a non-VTEC motor.

Post more info!
 
#7 ·
yea my car is the same thing its def fuel cut off. but does urs smoke at all?
 
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#15 ·
why is vtec wired in to an auto relay???
 
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