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| Electric Club Car Electric DS, and Precedent golf cars |
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08-16-2020, 11:00 AM
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#1 |
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Not Yet Wild
Join Date: Aug 2016
Location: Massachusetts
Posts: 13
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Precedent keeps going into slow mode
I have a 2007 Precedent that keeps dropping into a "slow mode" where it will only go about 7-8 mph. It will also sometimes (when my foot is off of the accelerator) have the regen braking kick in extra hard and bring the cart all the way to to a stop.
Both of these behaviors are intermittent, though the slow mode has gotten more frequent. Sometimes fluttering the accelerator up and down will bring it back to normal. I have replaced the batteries, speed sensor, and MCORs last year. I think I read somewhere that some of the MCORs are cheap and burn out fast? I'm wondering if that is the likely problem or if there could be something in the pedal assembly. Thanks for any tips. |
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08-16-2020, 11:18 AM
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#2 | |
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Gone Wild
Join Date: Apr 2020
Location: 1000 Oaks, SOCAL
Posts: 424
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Re: Precedent keeps going into slow mode
Quote:
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08-16-2020, 03:29 PM
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#3 |
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Not Yet Wild
Join Date: Aug 2016
Location: Massachusetts
Posts: 13
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Re: Precedent keeps going into slow mode
I dunno. How can I tell? Is there a picture of the Mexico kind somewhere?
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08-16-2020, 03:58 PM
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#4 |
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Gone Wild
 Join Date: Sep 2016
Location: Titusville, FL...Space Coast
Posts: 591
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Re: Precedent keeps going into slow mode
If you have an mcor4 it looks like this
https://www.ebay.com/itm/Genuine-Clu...sAAOSwmZFZpgpx If you have an mcor2 it looks like this https://www.ebay.com/itm/OEM-Genuine...gAAOSwXedcHQ28 |
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08-16-2020, 04:27 PM
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#5 | |
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Gone Wild
Join Date: Apr 2020
Location: 1000 Oaks, SOCAL
Posts: 424
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Re: Precedent keeps going into slow mode
Quote:
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08-16-2020, 04:39 PM
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#6 |
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Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Precedent keeps going into slow mode
Sounds like you have a solenoid sticking.
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08-17-2020, 08:12 AM
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#7 |
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Not Yet Wild
Join Date: Aug 2016
Location: Massachusetts
Posts: 13
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Re: Precedent keeps going into slow mode
Oh, mine is definitely a MCOR2, not the newer v4.
I have some surging too, when going uphill. |
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08-17-2020, 01:37 PM
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#8 |
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Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Precedent keeps going into slow mode
sounds like you have a MCOR problem and a speed sensor or solenoid sticking problem at the same time. Pump the pedal 20-30 times, if that helps the surging you have a MCOR problem to start with.
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08-17-2020, 11:42 PM
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#9 |
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Not Yet Wild
Join Date: Aug 2016
Location: Massachusetts
Posts: 13
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Re: Precedent keeps going into slow mode
Are the newer MCOR 4's more reliable than the MCOR 2's?
Also, what are the symptoms of a sticky solenoid? |
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08-18-2020, 06:25 AM
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#10 | |
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Gone Wild
Join Date: Sep 2016
Location: Titusville, FL...Space Coast
Posts: 591
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Re: Precedent keeps going into slow mode
Quote:
https://www.revolutiongolfcars.com/technical-support Can you hear the solenoid click every time you press the go pedal.. |
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