Engine Management and Tuning Crome, NepTune, Hondata, AEM, MOTEC

Idle problem on modified H22

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Old Apr 28, 2010 | 01:43 AM
  #1  
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From: Szczecin, Poland
Default Idle problem on modified H22

Here it is:
H22 with Mahle 11.5:1 pistons, Eagle rods
Omni Power TB WITHOUT FITV and idle setting screw
Double stack Blaktrax modified intake manifold
450cc injectors
Tuned on Crome
Skunk2 stg. 2 Pro cams

Idle is set on 1200rpms, IAC duty cycle is almost 100% and still cannot maintain idle. Any additional load on the engine (AC, lights etc.) is stalling it. Sometimes IAC triggers CEL (which is quite undestandable as it's going out of range).

How can I force the engine to run properly and compensate additional load as it is done on unmodified car? Different IAC (which then)?
Thanks
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Old Apr 29, 2010 | 03:38 PM
  #2  
q16racer's Avatar
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From: Pensacola, FL
Default Re: Idle problem on modified H22

what is your base timing?
________
RS200

Last edited by q16racer; Mar 13, 2011 at 04:36 PM.
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Old Apr 30, 2010 | 02:10 AM
  #3  
pentaq's Avatar
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From: Szczecin, Poland
Default Re: Idle problem on modified H22

16degrees
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Old May 1, 2010 | 01:38 PM
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Default Re: Idle problem on modified H22

add more timing at idle
________
YAMAHA CS-80 HISTORY

Last edited by q16racer; Mar 13, 2011 at 04:37 PM.
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