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EVO9 - Revs won't return to idle

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Old Apr 15, 2016 | 07:48 AM
  #1  
Grant's Avatar
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From: Denver
EVO9 - Revs won't return to idle

Hi - I have an Evo9 with Cobb Accessport maps for E85 and 91 with 1000cc injectors and some other mods.

I recently had a clutch replaced and ever since the car is behaving strangely. If I rev the motor to 5k rpm or higher to shift, it continues to rev that high when I press the clutch. I need to wait several seconds for the motor to settle back to idle. Any suggestions?

The tune was done 5 years ago and I never had this issue before the clutch replacement, yet my mechanic thinks it's probably the tune causing this rather than a mechanical issue.

Any help greatly appreciated!
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Old Apr 16, 2016 | 09:50 PM
  #2  
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From: Bozeman MT
Light weight flywheel?
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Old Apr 17, 2016 | 12:11 PM
  #3  
Grant's Avatar
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From: Denver
Originally Posted by desmvp
Light weight flywheel?
Turned out to be just a bad ground strap from battery to chassis. Thanks
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