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Flashing EFI while riding

a.Campb3ll

New member
Joined
Jun 8, 2025
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2
The past days I'm getting a flashing EFI when I run below 30mph but my engine seems to be running perfectly fine. I remember back in March that EFI flashed briefly when my battery voltage was low so I thought it was something like an electrical glitch. I didn't really get the warning again until recently. Should I just proceed to replacing the fuel pump relay or fuel filter? Is there any other way I can check what's the problem before starting real work? I have a 2010 Artic Cat 700, almost forgot to mention.
 
An electrical glitch is a good theory to start with, considering your past experience with low battery voltage.
I'd say it's worth reconfirming your battery voltage again before replacing anything!
A fluctuating or consistently low voltage could certainly trigger that light.
Also check that your battery terminals and main ground connections are clean and tight.
Problems in those areas can also cause intermittent issues.
 
An electrical glitch is a good theory to start with, considering your past experience with low battery voltage.
I'd say it's worth reconfirming your battery voltage again before replacing anything!
A fluctuating or consistently low voltage could certainly trigger that light.
Also check that your battery terminals and main ground connections are clean and tight.
Problems in those areas can also cause intermittent issues.
this is a good idea before you start throing money around and replacing everything. Get a multimeter and measure the voltage when the engine is running and then it's off. This should give you an idea if it's a battery related problem.
 
Yeah definitely check the battery & grounds first before swapping parts. It's probably just a weak battery or bad connection...
 

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