Integra revs RPMs when idling

Erratic Idle On Civic - YouTube

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Jan 29, 2010 - Uploaded by stikkyp
My 1994 Honda Civic SI has an erratic idle. It stays at 3000-3500rpm when started cold till it warms up then ...

High idle and constant up and down idle on my 94 civic ex? ' Yahoo ...

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Oct 27, 2011 - Okay so im learning lots about Honda's, i have rebuilt motors and put them but i cant ... It has a constant up and down idle between 1200 and 2000 rpms. ...to a near stall for a fraction of a second, then jumps back up, like clockwork. ... No coil packs on your 1994, of course - just one coil and a distributor. Rpm jumping up and down at warm up 1k to 2k 97 honda prelude ...
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Idle goes up and down! HELP! ' ClubCivic.com - Your Online Civic ...

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it may require a ECM upgrade in the software
in the mean time restrict the rpms between gear changes
for example accelerate in first ti around 3000 rpms and slow down the selection and keep the rest of the changes around the 2500-3000 rpm range
naturally , the harder yo rev it the longer it will take for the rpms to drop
just as a point of interest how did you get a brand new car that is 4 years old ?

What control idle is RPM sensor[TPS] to check it is OK.

Yo, Codi. Your problem is a bad EGR diaphragm. It's a bad vacuum leak making it do what you've explained. Replace the Exhaust Gas Recirculation (EGR) valve and this won't happen any more. Good power on demand.

it sounds like its drawing air into the inlet mannifold

First run a tank of a strong fuel system cleaner like BG-44K. If that doesn't help, clean the throttle body. If that doesn't help, take it to a mechanic.

try some good gas or gas treatment engines do that with cheaper gas

your vehicle will need a complete computer diagnostics to determine this problem and its solution. there are a lot of unknown variables to be able to accurately begin to solve this.

I have the same Jeep and same problem. The engine was running rough. The Jeep dealer fixed a vacum problem in the manifold and they then decarbonized and cleaned the fuel injectors. After these repairs the idle problem began, it would spike to 2000 rpm while sitting at idle, sometimes it would slowly come down, sometimes I would have to tap the accelerator. I took it back in and they then replaced the throttle motor and reprogrammed the PCM (Power Control Module?) Still same problem. Now they suspect a another vacuum leak and I am taking it back in on Tuesday, will let you know what happens, $ 1,300 so far.

then u need togo sumwhere else