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Old 12-30-2023, 06:59 PM   #1
cajunbug
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Default 09 Club Car Precedent slows down and speeds up after hitting bumps

Been having a weird issue with my 09 Club Car Precedent. Cart will slow down after hitting bumps on course and actually speeds up after hitting bumps, cart paths, etc. Replaced mcor, speed sensor, and magnet a few months ago. Any clue?
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Old 12-30-2023, 07:19 PM   #2
InvalidUsername
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

Bumps = vibration. I'd look for loose connections. Something may disconnect momentarily causing the controller to kick out and then resume to speed upon re-connection.
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Old 12-30-2023, 07:32 PM   #3
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

Things apart from loose wiring that could cause the controller to kick out if they momentarily malfunction are run/tow switch, forward switch, key switch, solenoid. OBC interlock (blue wire).

Is it possible that there's some slop in the pedal that causes the MCOR pot to move slightly when there's a bump?
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Old 12-30-2023, 10:12 PM   #4
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

Thank so much. Will start checking all of it.
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Old 01-03-2024, 09:47 PM   #5
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

Quote:
Originally Posted by cajunbug View Post
Been having a weird issue with my 09 Club Car Precedent. Cart will slow down after hitting bumps on course and actually speeds up after hitting bumps, cart paths, etc. Replaced mcor, speed sensor, and magnet a few months ago. Any clue?
Did the cart work good right after installing the MCOR and develop this problem later? Did you install a factory MCOR or an aftermarket ones? Aftermarket MCOR units have an extremely high failure rate.
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Old 03-03-2024, 05:54 PM   #6
cajunbug
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

It was running slow or wouldn’t move when pressing accelerator every time. Would the MMCOR cause the slow down when hitting bumps or anything. Cart will then speed up again. I guess it is a aftermarket. Do you have the factory ones?
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Old 03-03-2024, 11:41 PM   #7
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

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Originally Posted by TahoeDawgZ71 View Post
Did the cart work good right after installing the MCOR and develop this problem later? Did you install a factory MCOR or an aftermarket ones? Aftermarket MCOR units have an extremely high failure rate.
it is a 2009 with the conversion kit. Think the conversion kit could be bad?
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Old 03-04-2024, 08:42 AM   #8
simicrintz
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

I would try and contact him directly, cajunbug; not sure how often he checks in here
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Old 06-10-2024, 08:21 PM   #9
cajunbug
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

Finally got around to looking at this again. Cleaned up the battery connection and cart started running quick again. 20 mph at top. But then i heard like a spring/grinding like noise. Cart felt like a little hesitation. But got right back up to speed. Thoughts? Leaf spring? Dont see anything visible at first look.
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Old 06-11-2024, 07:35 AM   #10
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Default Re: 09 Club Car Precedent slows down and speeds up after hitting bumps

Brakes dragging?
Can you push it easily in tow?
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