2019 850 Summit loss of power

[MARV1]

My sons 850 just lost power to one side piston, did not stop or seize up, still runs but weak and sounds like running on one lung. He’s in a different town here in rural AK no roads. Changed out coil and wires still the same. Tan normal temps and just dead one side.
Time for a rebuild? Or not enough fuel to injector?

 

[farmboy84]

Did he change plugs? Put a finger over the spark plug hole, easy to tell if it has compression or not.

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[ASV]

Prøv å ohm injektor 2,4 ohm.
?Any of them getring warm?