#86286 - 04/12/05 06:43 PM
Re: idle bouncing
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CIVIC dude
Post Master Supreme
Registered: 01/20/00
Posts: 14531
Loc: Toronto, Ontario, Canada
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mine started doing the same thing with hondata. 1000-2000rpm the idle bounces for example when stopped at a light.
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00 JRSC VSM SiR sold  '11 GTI sold '18 family hauler
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#86289 - 04/12/05 08:36 PM
Re: idle bouncing
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2000REDSI
Jr Member
Registered: 10/15/02
Posts: 376
Loc: Kentucky
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I have hondata also and at a stop light my jumps up from 1000 to 1500 and i also get the hic-up to sometimes just from normal driving.
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#86292 - 04/12/05 10:30 PM
Re: idle bouncing
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ghostsi
Jr Member
Registered: 02/06/03
Posts: 389
Loc: OC, CA
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#86294 - 04/12/05 10:39 PM
Re: idle bouncing
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CIVIC dude
Post Master Supreme
Registered: 01/20/00
Posts: 14531
Loc: Toronto, Ontario, Canada
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honestly if so many of us have the same problem how can there be no fix for it?
I love the way the car drives with the hondata, but in all honesty it makes my 00si seem like a shit box. Especially when it revs up and down at the lights anad people look at you.
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00 JRSC VSM SiR sold '11 GTI sold '18 family hauler
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#86295 - 04/12/05 10:58 PM
Re: idle bouncing
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O16581724525
Jr Member
Registered: 07/16/04
Posts: 480
Loc: Terre Haute, IN.
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Where did you guys take your coolant lines from? If you take them from the throttle body area, those cycle through the IAC, the IAC requires coolant cycling through it to idle properly.
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#86297 - 04/12/05 11:39 PM
Re: idle bouncing
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O16581724525
Jr Member
Registered: 07/16/04
Posts: 480
Loc: Terre Haute, IN.
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This is in the "Got Boost" section. Your car is turbocharged, correct?
I know it matters on the D16z6, i don't know about other engines.
Edited by O16581724525 (04/12/05 11:41 PM)
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#86298 - 04/12/05 11:46 PM
Re: idle bouncing
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CIVIC dude
Post Master Supreme
Registered: 01/20/00
Posts: 14531
Loc: Toronto, Ontario, Canada
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i for one am SC and i never modified any of the coolant lines. This problem only started once the hondata was installed.
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00 JRSC VSM SiR sold '11 GTI sold '18 family hauler
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#86299 - 04/12/05 11:48 PM
Re: idle bouncing
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SamuraiSam
Post Master Sr
Registered: 07/29/02
Posts: 8828
Loc: Bellingham, WA
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he's talking about a turbo that is cooled with oil and water as opposed to turbo that is cooled only by oil. the easy-ass way to rig up a watercooled turbo is to just run the coolant lines from the throttle body to the turbo instead of doing it correctly, if you do this, often times the throttle body won't idle correctly & it's not a tuning problem.
about 95% of the time, however, the problem lies in the tune. whoever tuned your car didn't bother to test out idling under a wide variety of conditions. I'm guessing that it was dyno tuned? Dyno tuning is great and 100% necessary for every car with an aftermarket fuel system, but that doesn't mean that street tuning for part throttle, crusing, and idling isn't needed. It is an important part of a car's tune to do street tuning or else you end up with things like part throttle hesitation or idle issues....
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#86300 - 04/13/05 12:18 AM
Re: idle bouncing
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dogg2k78
Jr Poster
Registered: 08/25/04
Posts: 185
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Mine is bouncing and i haven't hooked the Hondata up yet
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#86301 - 04/13/05 12:21 AM
Re: idle bouncing
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shane two
Member
Registered: 02/20/05
Posts: 837
Loc: South Valley
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oftentimes if your using an obd1 ecu in an obd2 car there are some issues with the...
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#86302 - 04/13/05 12:53 AM
Re: idle bouncing
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99blusi
Sr Member
Registered: 03/20/02
Posts: 1018
Loc: Michigan
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With the OBD 1 conversion on OBD 2 cars there's something about the IACV that can give a bouncy idle. I believe hondata has a way to adjust the duty cycle of the IACV. Your tuner should be able to take care of that.
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#86305 - 04/13/05 07:31 AM
Re: idle bouncing
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Gab
Post Master Supreme
Registered: 04/24/02
Posts: 16915
Loc: Boston, MA
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Quote:
Your tuner should be able to take care of that.
My tuner said it was the best he could do, something about having 780cc injectors lol 
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#86306 - 04/13/05 10:43 AM
Re: idle bouncing
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DCSportsSI
Jr Member
Registered: 01/26/03
Posts: 554
Loc: Jacksonville, FL
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First thing's first. check EVERY vacumm line in that engine bay. Thats the #1 cause. Second, IACV which is not likely but it happens. If its still jacked, and you have hondata, then find another basemap from someone else. I had a stock B16 motor with 750cc's idling PERFECT at 900rpms. Of course, Mase tuned it. Send your ECu to him and he'll give you a perfect base map until you get tuned. If you are tuned then damn... sucks for you. sorry.
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