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Unread 10-19-2015, 09:31 PM   #1
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Default 2009 Precedent, Hesitates On throttle depression

2009 Precedent, depress throttle hesitates then runs at desired speed then slows down, as if a carburetor were flooding. With normal throttle depression it will run at full speed for a while then slows down.
I recently discovered if I depress the throttle very hard to the floor and hold, it will run at full speed without slowing down.
Any help appreciated.
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Unread 10-19-2015, 09:57 PM   #2
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Default Re: 2009 Precedent, Hesitates On throttle depression

Try pumping the go pedal about 20 times with the key off. If your throttle response improves, you're looking at a MCOR replacement.


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Unread 10-19-2015, 10:22 PM   #3
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Default Re: 2009 Precedent, Hesitates On throttle depression

Is this a gas or electric cart?
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Unread 10-19-2015, 10:23 PM   #4
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Default Re: 2009 Precedent, Hesitates On throttle depression

????? i boobooed and said to post in electric area


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Originally Posted by FreeMast View Post
2009 Precedents, Speed is irregular, depress throttle runs then hesitate. depress throttle for full speed run at full speed then hesitates and slows done.
Have recently discovered the if the throttle is depressed very hard to the floor and held it will run at steady full speed.
Any help appreciated.
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Unread 10-19-2015, 11:21 PM   #5
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Default Re: 2009 Precedent, Hesitates On throttle depression

Just when I thought I could help somebody. Karma killer!!!


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Unread 10-20-2015, 11:08 AM   #6
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Default Re: 2009 Precedent, Hesitates On throttle depression

Quote:
Originally Posted by mrgolf View Post
Is this a gas or electric cart?
Sorry Electric.
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Unread 10-20-2015, 12:11 PM   #7
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Default Re: 2009 Precedent, Hesitates On throttle depression

Moved from Electric, to Gas, back to Electric CC, and courtesy bump!
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Unread 10-20-2015, 12:12 PM   #8
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Default Re: 2009 Precedent, Hesitates On throttle depression

Quote:
Originally Posted by tag50 View Post
Try pumping the go pedal about 20 times with the key off. If your throttle response improves, you're looking at a MCOR replacement.


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try TAG's trick see if it works




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Unread 10-20-2015, 02:54 PM   #9
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Default Re: 2009 Precedent, Hesitates On throttle depression

More than likely an MCOR failure. The MCOR4 conversion kit may be in your future. Part number AM293001. The contacts on the MCOR get dirty and can not provide a clean throttle signal to the controller. This is why it feels like you're hesitating while accelerating, but runs fine at full throttle. The contacts at full throttle are obviously in better condition than the rest.
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Unread 10-20-2015, 05:23 PM   #10
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Default Re: 2009 Precedent, Hesitates On throttle depression

The carburetor word in post one, made me question.
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