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New Mercury Pro XS 250 surging ? #14937517 12/25/23 03:37 PM
Joined: Nov 2013
Posts: 471
Reds Bass Guide on Sandlin Offline OP
Angler
OP Offline
Angler
Joined: Nov 2013
Posts: 471
So my 2019 Pro XS 250 with 125 hrs has started surging and a glitch when idling. Never any ethanol. On the original plugs . Any thoughts ? Thanks.


ShareLunker 3817
2019 Ranger Z520
Re: New Mercury Pro XS 250 surging ? [Re: Reds Bass Guide on Sandlin] #14937546 12/25/23 04:24 PM
Joined: Mar 2010
Posts: 25,915
T Bird Online Content
TFF Guru
Online Content
TFF Guru
Joined: Mar 2010
Posts: 25,915
Fuel filters should have been changed at 100 hours and plugs at 1 year. I'd do that first. After that I wouldn't waste anymore time or $$$ guessing. Take to the dealer for diagnostic download.


Okie by birth, Texan by choice.
[Linked Image]
USAF "Thunderbirds" Alumni 1985-1989




Re: New Mercury Pro XS 250 surging ? [Re: Reds Bass Guide on Sandlin] #14938771 12/27/23 02:29 PM
Joined: Jul 2010
Posts: 1,356
B
boatman025 Offline
Extreme Angler
Offline
Extreme Angler
B
Joined: Jul 2010
Posts: 1,356
I change filters and plugs if dont fix issue get air and fuel injectors clean in any question PM me


Hughes Marine
3855 Osage Lane
Wylie ,Texas
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