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Old 19 Jul 2010, 08:01 am
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Default troubles with reving

my 90 ls integra auto matically revs up and down when idoling and when clutch goes in and i dunno y and neither do any of the mechanics round my area has any1 had a similar problem or no how to fix it?
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Old 19 Jul 2010, 11:18 am
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Default Re: troubles with reving

So let me get this straight before I post an anwer, When your idling the car and when the clutch is pushed in the car reves up and down? is this only when the clutch is pushed in?
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Old 21 Jul 2010, 04:18 am
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Default Re: troubles with reving

no not just when the clutch is in it does it with clutch in when ur shifting gears and when the car is just at a stand still and idoling in neutral and even when in gear and moving if i take my foot off the accelerator the car jolts
i hope u can give me an idea of ytf it does it lol
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Old 21 Jul 2010, 03:08 pm
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Default Re: troubles with reving

That is a litle weird. It almost sounds to me like the throttle body may be really dirty on the inside so the car inst getting the right mixture of fuel and air. My Civic did something similar like when the car was not moving the RPM whent up and down when idling or with the clutch pushed in or in neutral and I got some choke+Carb cleaner by gumout and sprayed it down the throttle body and i sprayed and wiped of the throttle plate and the car ran just fine after that. Let us know if it works or not so we can help more. But i got my money on a dirty throttle body. or if you moded a carberator on it then the steps are still the same. hope this helps!
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Old 26 Jul 2010, 07:03 am
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Default Re: troubles with reving

cleaning the throttle body didnt work.
do u no wat psi the fuel pressure should be at cause mine is only at 28 when idoling and the mechanic doesnt no much bout honda .
also the cpu is flashing a code 43 do u no how to fix that?
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Old 26 Jul 2010, 11:56 am
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Default Re: troubles with reving

Hmmm...Darn, i like easy fixes. your code 43 according to my hanes manual, the code 43 your flashing is the fuel supply system circut. so check fuel pressure which you already did, check the fuel pressure regulator and also check for any vacuum leaks. I did some scouting around and I stubled upon an older post at this site and it says for a stock integra LS the fuel pressure should be 38-45 with the vacuum hose connected or if the vacuum hose isnt connected 10-15. So i think that your fuel pressure is low.
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Old 27 Jul 2010, 09:14 am
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Default Re: troubles with reving

kool ill check for vacume and reg pressures tomorow and let u no how that goes it may fix the problem
lol
**** i hope it does its so frustratin sittin at the lights and a cop sits next to u and death stares u as if u wanna race them lol
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Old 27 Jul 2010, 12:24 pm
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Default Re: troubles with reving

Well the trick to that is to not pull up next to a cop.lol jk. Just for drivin a stock Civic with no visual modifications I have everyone and their mom trying to race me. Believe me I know that feeling.lol It does get old.
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