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150 PRO XS #12995169 12/14/18 03:24 PM
Joined: Sep 2005
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D
DARRIN L CROCKER Offline OP
Green Horn
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2018 Mercury 150 Pro XS with 23 hours - engine stumble/miss on moderate to heavy acceleration, starting seeing what I considered excess smoke as well...reminded me on my 80"s XP evenrude.
Have taken twice to dealer with no codes,no problem found..feels like a coil pack breaking down,definatly worse with additional load in the boat
Just seeing if anyone has had similar issues

Attached Files Screenshot_20181213-152406_Gallery.jpg

Dlc
Re: 150 PRO XS [Re: DARRIN L CROCKER] #12995213 12/14/18 04:19 PM
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T Bird Offline
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Kinda surprised the ECU didn't pick it up. Might pull/inspect spark plugs to help narrow down which cylinder affected.

Last edited by T Bird; 12/14/18 04:20 PM.

Okie by birth, Texan by choice.
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Re: 150 PRO XS [Re: DARRIN L CROCKER] #12995328 12/14/18 05:52 PM
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DARRIN L CROCKER Offline OP
Green Horn
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Yeah..the shop was surprised as well...se one time around had video in which you could plainly hear the cutting out..will ohm out coil packs and check plugs


Dlc
Re: 150 PRO XS [Re: DARRIN L CROCKER] #13000479 12/20/18 02:04 PM
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Capt. Bryan Offline
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My 2017 150 pro xs smokes a little but runs like a scalded dog. I was thinking the smoke was just cause I needed to top off the tank with some fresh fuel., or I may have added too much fuel treatment.


Skeeter FXR 21
Yamaha
Humminbird/Garmin
Lews
Re: 150 PRO XS [Re: DARRIN L CROCKER] #13020943 01/07/19 06:34 PM
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Blake's Boats Offline
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Could be fuel related such as one of the diaphragms in the fuel rails


Blake's Boats
Corsicana, TX 75110
(903) 872-1292
cell (903) 879-5985
www.blakesboatsales.com
Re: 150 PRO XS [Re: DARRIN L CROCKER] #13020956 01/07/19 06:43 PM
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boatman025 Offline
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we can check it out for you if need us to. Pm me if need to


Hughes Marine
3855 Osage Lane
Wylie ,Texas
Re: 150 PRO XS [Re: Blake's Boats] #13021439 01/08/19 12:49 AM
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grout-scout Online Sleepy
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Originally Posted by Blake's Boats
Could be fuel related such as one of the diaphragms in the fuel rails




I read about this being a problem a lot! First thing Id have the mechanic check.

Re: 150 PRO XS [Re: DARRIN L CROCKER] #13021856 01/08/19 04:11 AM
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Tiltman Offline
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Pull the fuel filter out and look in the bottom of the reservoir, see if there is amber colored scale material in there. If so clean it out put new fuel filter in and new fuel line as well.

Re: 150 PRO XS [Re: DARRIN L CROCKER] #13021953 01/08/19 05:36 AM
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Alumacraft 14 Offline
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Replace them plugs!

Re: 150 PRO XS [Re: DARRIN L CROCKER] #13022122 01/08/19 02:31 PM
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gary purdy Offline
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Agree: Could be fuel related such as one of the diaphragms in the fuel rails


The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
Re: 150 PRO XS [Re: DARRIN L CROCKER] #13022140 01/08/19 02:37 PM
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Ranger 177 Online Content
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Had same problem with mine ended up being fuel diafram. Replaced no problems since

Re: 150 PRO XS [Re: boatman025] #13024060 01/10/19 01:18 AM
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DARRIN L CROCKER Offline OP
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Will do..thanks,


Dlc
Re: 150 PRO XS [Re: gary purdy] #13024078 01/10/19 01:29 AM
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DARRIN L CROCKER Offline OP
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Quick update...after a total of 3 weeks downtime in both locations of a local dealer( in Hurst and Cleburne) but no names ....I have been told they found all 4 plugs were fouled and needed replaced...when I pressed them a little I was told that during break in it is programmed to double oil for extra lube...ok I knew that..but unit is not in "break in mode" any longer...so basically I have a Mercury that only has 24 engine hours and is 8 months old that I am being billed for...sound crazy or is it me?
And by the way...no codes and fuel rails were said to be fine


Dlc
Re: 150 PRO XS [Re: DARRIN L CROCKER] #13024145 01/10/19 02:14 AM
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tmd11111 Online Content
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Originally Posted by DARRIN L CROCKER
Quick update...after a total of 3 weeks downtime in both locations of a local dealer( in Hurst and Cleburne) but no names ....I have been told they found all 4 plugs were fouled and needed replaced...when I pressed them a little I was told that during break in it is programmed to double oil for extra lube...ok I knew that..but unit is not in "break in mode" any longer...so basically I have a Mercury that only has 24 engine hours and is 8 months old that I am being billed for...sound crazy or is it me?
And by the way...no codes and fuel rails were said to be fine


Lots of idling and short trips at low rpm's will do that every time.

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