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HKS SC with Orisis Uprev Idle issue

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Old Aug 29, 2011 | 11:19 PM
  #1  
lanceccs's Avatar
lanceccs
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Default HKS SC with Orisis Uprev Idle issue

Really appreciate if someone can help.

Before I bolt on the HK SC kit, my NA Uprev Tune was perfect. After my HKS SC kit drop in and re-tune, I have 2 outstanding problems,

1. When decelerating, I clutch in at higher than idle RPM, the RPM will fall far below idling and it will then try to catch itself and maintain at idling RPM. Some times it falls so fast that it will just stall. This dangerous as I once clutch in when turning into a carpark, the car stalls and I lost my power steering....

2. During warm start, the car will start and then the RPM will fall far below idling, most of the time it will drop till it stalls.

If I just have to lightly blip the throttle once and it will catch the idle RPM and idle fine.

Cold start is working perfectly, only seeing problem with warm start

Last edited by lanceccs; Aug 30, 2011 at 05:42 AM.
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Old Aug 30, 2011 | 05:01 AM
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djamps
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100% tuning related. HPX MAF or not? Either way. take it back to your tuner and have him spend some time on the idle/startup issues.
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