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07-17-2022, 09:05 AM #1Senior Member
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- Jul 2021
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- 100
Throttle/Speed Surging - 2022 Kaiyen - GPS Issue?
Anyone have this issue?
Here's what's happening. I get everything set to surf. Ballast full, ZeroOff set, etc. Hit the throttle and once up to speed, the engine starts reving up and down, and speed on the dash screen starts cycling up and down by about 1mph.
Here's where it gets interesting. If I back the throttle off the engine stops surging but the speed in the dash keeps cycling up and down even though my speed is consistent.
Only thing I found to fix it is to turn off the engine and cycle the battery.
Bad GPS unit? I'm super confused.
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07-17-2022, 09:44 AM #2
The common theme as of late with the electronics of newer boats is to check for a loose ground. Trace the receiver wire to the ground buss bar it’s tied into and check the connection. Check the grounds on your batteries and any other ground distribution busses.
If it’s not that, then I would say a new GPS receiver is in your future.
2022 SA 4502020 SA 450 Wife calls it White Cloud. Said it makes her feel "Classy"
2017 Sanger V215sx. We call it Viagra because it's the little blue pill that gets everyone up (Sold)
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07-17-2022, 11:16 AM #3
Go see SSurfer 321 post here.
https://r.tapatalk.com/shareLink/top...ink_source=app
Yes, 2in is right about grounds making anything electronic act funky. My sons 2016 Dodge Dart all of a sudden started having intermittent flashing of his digital speedo, and his radio/ac/everything control display panel, would go blank. Ended up being that the ground terminal on the battery was slightly loose. And I mean slightly! Apparently electronics these days are very ground sensitive.
Sent from my SM-G781V using Tapatalk2021 Moomba Makai
Black Cherry Metal Flake & Fire Red
Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
Wet Sounds bow speakers & 10's on the Tower & ported sub
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07-17-2022, 11:17 AM #4
^^^ This.
Loose grounds will mess with everything.2015 Moomba Mojo Surf Edition
4,000lbs
Manual Flow
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07-17-2022, 12:02 PM #5Senior Member
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- Jul 2021
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- 100
Checked bus bar and battery terminals. All solid.
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07-17-2022, 03:40 PM #6
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07-17-2022, 03:47 PM #7
Only thoughts at this point are to check the connections between the puck and ECM. Otherwise, sounds like a warrantee issue.
2022 SA 4502020 SA 450 Wife calls it White Cloud. Said it makes her feel "Classy"
2017 Sanger V215sx. We call it Viagra because it's the little blue pill that gets everyone up (Sold)
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07-17-2022, 04:55 PM #8Senior Member
- Join Date
- Jul 2021
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- 100
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07-17-2022, 05:00 PM #9
Maybe checking all the connections actually moved something that was loose back into contact.
Sent from my SM-G781V using Tapatalk2021 Moomba Makai
Black Cherry Metal Flake & Fire Red
Nibral OJ 15.5x15 Altitude/Wake prop w/1.76 trans v-drive
Wet Sounds bow speakers & 10's on the Tower & ported sub
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07-17-2022, 09:38 PM #10Senior Member
- Join Date
- Jul 2021
- Posts
- 100
Maybe... But it's been doing it since day two so will have to see. It's intermittent. If it happens again, I'll record it so I have some proof. Otherwise could be one of those 'we can't get it to replicate' things.
Love the boat otherwise!
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