2009 Precedent, Hesitates On throttle depression

FreeMast · 10-19-2015, 08:31 PM

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.

tag50 · 10-19-2015, 08:57 PM

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

.

mrgolf · 10-19-2015, 09:22 PM

Is this a gas or electric cart?

10-19-2015, 09:23 PM

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

Introductions

Quote:

Originally Posted by FreeMast

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.

tag50 · 10-19-2015, 10:21 PM

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

.

FreeMast · 10-20-2015, 10:08 AM

Quote:

Originally Posted by mrgolf

Is this a gas or electric cart?

Sorry Electric.

lockman1 · 10-20-2015, 11:11 AM

Moved from Electric, to Gas, back to Electric CC,

and courtesy bump!

10-20-2015, 11:12 AM

Quote:

Originally Posted by tag50

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

.

try TAG's trick see if it works

LOCK
send me the bill

TahoeDawgZ71 · 10-20-2015, 01:54 PM

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.

mrgolf · 10-20-2015, 04:23 PM

The carburetor word in post one, made me question.

10-19-2015, 08:31 PM	#1
FreeMast Not Yet Wild Join Date: Oct 2015 Posts: 3	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.
FreeMast Not Yet Wild Join Date: Oct 2015 Posts: 3

10-19-2015, 08:57 PM	#2
tag50 Gone Wild Join Date: Apr 2014 Location: Oregon City, Or Posts: 1,977	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. .

10-19-2015, 09:22 PM	#3
mrgolf Old Sky Soldier Join Date: Dec 2011 Location: Kentucky Posts: 3,881	Re: 2009 Precedent, Hesitates On throttle depression Is this a gas or electric cart?

10-19-2015, 10:21 PM	#5
tag50 Gone Wild Join Date: Apr 2014 Location: Oregon City, Or Posts: 1,977	Re: 2009 Precedent, Hesitates On throttle depression Just when I thought I could help somebody. Karma killer!!! .

10-20-2015, 11:11 AM	#7
lockman1 What the ....? Join Date: Jan 2007 Location: N.E. Wisconsin Posts: 14,932	Re: 2009 Precedent, Hesitates On throttle depression Moved from Electric, to Gas, back to Electric CC, and courtesy bump!

Today
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10-20-2015, 01:54 PM	#9
TahoeDawgZ71 revolutiongolfcars.com Join Date: Mar 2010 Location: Golf Car Capital of The World... Augusta, Georgia Posts: 10,224	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.

10-20-2015, 04:23 PM	#10
mrgolf Old Sky Soldier Join Date: Dec 2011 Location: Kentucky Posts: 3,881	Re: 2009 Precedent, Hesitates On throttle depression The carburetor word in post one, made me question.

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