DC5R idling problem

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Originally Posted by xdannyx

i had this problem on my base dc5 and it was the IAC valve. the engine warning light also came on, did you get that too?

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Engine light does not need to come on. It's a common problem with Honda's the stickey IAC valve.

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Originally Posted by BusterSonic12

i never experienced burnt clutch. but people told me that your rpm will random go up.... anyone know if that's the case?

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I've experienced it many times before. I wouldn't say the revs jump, but say your pulling up to a set of lights. Depress the clutch maybe second gear and glide to the line. Revs will slowly slowly lead down to idle. This occurs when you pull up alot. They do go down, but it may hold them at 2 - 3k (depends on car, and clutch etc) for a certain amount of time before dropping to idle.

So I wouldn't say this is the case purely because it seems that it wasn't an issue before the battery ran flat.

I had this problem too, I came back from overseas and I started my car again after 1 month.

The battery wasn't dead, but it would rev just below 1 and jump up to 2, and keep going. After a while it warmed up and I drove it around and it went back to normal.

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Originally Posted by oconnor

I've experienced it many times before. I wouldn't say the revs jump, but say your pulling up to a set of lights. Depress the clutch maybe second gear and glide to the line. Revs will slowly slowly lead down to idle. This occurs when you pull up alot. They do go down, but it may hold them at 2 - 3k (depends on car, and clutch etc) for a certain amount of time before dropping to idle.

So I wouldn't say this is the case purely because it seems that it wasn't an issue before the battery ran flat.

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^^ hhehe sorry. i mnoob :o

thanks for all the advice here

was also thinking the IACV as well

now my car is acting normal after a new battery put in, maybe have a clean of the IAC in the next service, my engine light didnt come on, but just keep reving and reving, non-stop..even rev it to higher rev still the same

i would say most likely is the battery, but now if i disconnt it it wont happen again, so does it means there is some sort of battery/memory in the ECU for a short / back up when battery run flat..but not for a month long like this?

i dont know about the clutch, but i did feel my clutch is on the way after i come back from overseas....is it sitting too long so make it no grab?

I think in conclusion... DC5R are crap.

Also, DC2R > DC5R.


hehehe... :)

the problem is normal man, when u disconnect the battery ecu resets idle goes funny... then after about 15mins its fine...

ok..seems thats normal too all DC5R

My DC5 always like that everytime I'm back from overseas trip.
What I do is just drive around till the engine warm up, at this time the idle still jumping up and down. Then VTEC it 1st, 2nd gear for 2-3 times LOL.

Then it always fix itself, been doing it since I bought it, no problem at all.

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Originally Posted by eg9-b16b

problem solved... thanks dude.... :thumbsup:

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Well VTEC is the solution :D

Hey guys.. Just got back from overseas yesterday. Was away for one month and i went to start the car and my batt was dead. Jump started it and it started.. i was letting it warm up until my revs started jumping around.. between 1 - 2 rpm. Felt like someone was in the car reving n reving.. I Unplugged the battery to reset the ecu. Would this fix the problem? Was also told that maybe my Throttle Body could be dirty? .. going to check the oil incase its low but i highly doubt that would be the case. Also the car is pretty much on empty tank but id put 5ltrs in it so i guess that should be ok.

Any inputs would be much appreciated :) .. thanks guys.