Speed problem

Rotary John · 07-26-2018, 10:26 AM

My 2010 precedent has a speed problem It takes off as normal but then either slows down or surges between slow and normal. Ant suggestions as to what might be wrong.Batteries check 50 .3 v Cables are OK and clean. I wire brushed all cables and posts. It first occurred after one cable terminal broke and was replaced. All batteries check 8+v.

scottyb · 07-26-2018, 10:36 AM

The MCOR throttle signal device is failing. Try this, with the key off pump the gas 30 times. IF that fixes the problem, great but, it will return, replace with MCOR4

07-26-2018, 10:26 AM	#1
Rotary John Not Yet Wild Join Date: Jul 2018 Posts: 1	Speed problem My 2010 precedent has a speed problem It takes off as normal but then either slows down or surges between slow and normal. Ant suggestions as to what might be wrong.Batteries check 50 .3 v Cables are OK and clean. I wire brushed all cables and posts. It first occurred after one cable terminal broke and was replaced. All batteries check 8+v.
Rotary John Not Yet Wild Join Date: Jul 2018 Posts: 1

07-26-2018, 10:36 AM	#2
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,408	Re: Speed problem The MCOR throttle signal device is failing. Try this, with the key off pump the gas 30 times. IF that fixes the problem, great but, it will return, replace with MCOR4

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