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Jun 6, 2007 | 01:42 PM

GReddy_Civic

Thread Starter

Snail'n Admin

Joined: Dec 2006

Posts: 3,040

From: Don't worry about it

Idle

Anyone know how totune an idle without a management system? My car has been idling at around 200-300 rpms lately

Jun 6, 2007 | 02:07 PM

mlobitz

Member

Joined: Mar 2005

Posts: 229

RE: Idle

Clean your IAC?

Jun 6, 2007 | 04:06 PM

MY99SI

Joined: Sep 2005

Posts: 680

From:

RE: Idle

i wouldnt complain if it was doin that jus fine.

but theres an idle adjustment screw on the throttle body that you can turn and adjust the idle speed

Jun 6, 2007 | 05:17 PM

GReddy_Civic

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Snail'n Admin

Joined: Dec 2006

Posts: 3,040

From: Don't worry about it

RE: Idle

the car shakes at 200-300. like the shifter and exhaust shake a lot, like they are havin siezures

Jun 6, 2007 | 05:19 PM

GReddy_Civic

Thread Starter

Snail'n Admin

Joined: Dec 2006

Posts: 3,040

From: Don't worry about it

RE: Idle

The car shakes a lot around 200-300 rpms. The shifter and exhaust shake like they are having siezures.

Jun 7, 2007 | 03:44 AM

Forty04

Laced with Sarcasm

Joined: Mar 2005

Posts: 15,280

RE: Idle

Quote:

ORIGINAL: MY99SI

i wouldnt complain if it was doin that jus fine.

but theres an idle adjustment screw on the throttle body that you can turn and adjust the idle speed

You can't just adjust that screw, follow the manual for setting idle.

Paperclip in the jumper by the ecu
Pull the plug on the IACV
Start car (will probably run crappy)
Adjust Idle screw until RPMs reach ~450
Shut off car
Plug in IACV
Pull paper clip out of jumper
Start car, should idle around ~650ish

keep in mind this is for 92-00 SOHC vtec motors, numbers will vary for DOHC, non-vtec, etc