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ls-v cant pass 7k

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Old 03-02-2010, 11:12 PM
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Icon6 ls-v cant pass 7k

just did a ls-v swap and it seems everything is going well..but cant pass 7k grand like its not bouncing it just wont pass it... its pretty quick btw... but why does it start to lose power when it goes 7k?!?!! im using a gs-r ecu and its good, vtec is pretty loud... cel comes on and its knock sensor.... but can anybody tell me why i cant go pass 7k!!!??





thanks for looking!!!
pls negative commnts 2 urself!!!
Old 03-02-2010, 11:19 PM
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Default Re: ls-v cant pass 7k

"cel comes on and its knock sensor"

u just answer your own question bro
Old 03-03-2010, 08:33 AM
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Default Re: ls-v cant pass 7k

Originally Posted by 092eg6
"cel comes on and its knock sensor"

u just answer your own question bro

so if knock sensor comes on then it wont pass 7k??
Old 03-03-2010, 11:51 AM
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Default Re: ls-v cant pass 7k

correct.

its a built in fail safe basically...a limp mode.
Old 03-03-2010, 02:30 PM
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Icon6 Re: ls-v cant pass 7k

Originally Posted by killerpenguin21
correct.

its a built in fail safe basically...a limp mode.

what can i do for it to pass 7k?? is there a way to disable this limp mode?? would a chipped ecu work??
Old 03-03-2010, 02:46 PM
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Default Re: ls-v cant pass 7k

fix the damn knock sensor issue.
Old 03-03-2010, 07:58 PM
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Default Re: ls-v cant pass 7k

need new knock sensor
Old 03-03-2010, 11:48 PM
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Default Re: ls-v cant pass 7k

so if i just add a knock a sensor it should pass 7k??
and vtec isnt engaging?
Old 03-04-2010, 10:52 AM
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Default Re: ls-v cant pass 7k

your car is in limp mode like i said which means lower rev limit and no vtec

we have no way of telling if the sensor is bad or if the wiring is wrong.
Old 03-04-2010, 08:25 PM
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Default Re: ls-v cant pass 7k

Originally Posted by killerpenguin21
your car is in limp mode like i said which means lower rev limit and no vtec

we have no way of telling if the sensor is bad or if the wiring is wrong.
oh okay well.... im gonna try use another engine harness and see whats up! maybe wires were cross because this harness has alot of splicing...
Old 03-04-2010, 11:35 PM
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Default Re: ls-v cant pass 7k

my friend has a lsv and he doesnt have a knock sensor and its still engages vtec and passes 7k??!
Old 03-05-2010, 02:21 AM
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Default Re: ls-v cant pass 7k

ill put money on him running a chipped ecu with the knock sensor turned off.
Old 03-05-2010, 12:25 PM
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Default Re: ls-v cant pass 7k

Originally Posted by killerpenguin21
ill put money on him running a chipped ecu with the knock sensor turned off.
no bro gsr ecu not touched! knock sensor dont come on and some sensors are not even plugged in and its still fast! wtf?! idk but yah bro we did everything in my car check all the sensors all the wiring seems good.. and still taps at 7k! and we used a chipped ecu and still the same!
Old 03-05-2010, 04:02 PM
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Default Re: ls-v cant pass 7k

well if its throwing a code that is the issue so you need to resolve the code period.
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