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 Merc 150 opti high idle
#12419984
09/09/17 01:48 PM
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Joined: Sep 2004
Posts: 63
618phoenix
OP
Outdoorsman
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OP
Outdoorsman
Joined: Sep 2004
Posts: 63 |
Motor ran fine getting off the trailer but was dead after parking the truck. Idles high and dies immediately now. I did replace the battery this morning if that helps.
Got it to stay started after sitting for an hour but the alarm goes off at 2k rpm.
Suggestions?
Last edited by 618phoenix; 09/09/17 02:02 PM.
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Re: Merc 150 opti high idle
[Re: 618phoenix]
#12421157
09/10/17 05:27 PM
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Joined: Jun 2004
Posts: 1,509
OPTI
Extreme Angler
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Extreme Angler
Joined: Jun 2004
Posts: 1,509 |
What is happening is your getting fuel in the air side. Could be a number of things that can cause this torn diaphragm in the tracker valve or air or fuel pressure regulators. Leaking fuel injector or weak air compressor and the alarm could be from overheating air compressor. Need to take it in and have it look only way you will find what alarm is by hooking up to Mercury diagnostic program......OPTI
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Re: Merc 150 opti high idle
[Re: 618phoenix]
#12421222
09/10/17 06:41 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Had an Optimax with this alarm and it turned out to be that the water strainer needed cleaning. Look at a cooling schematic. It is where the thermostat hoses connect at the exhaust adaptor. #8 here: http://www.boats.net/parts/search/Merc2/Mercury/V-150%20DFI%20%282.5L%29/0T178500%20THRU%200T800999/WATER%20HOSES/parts.html
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
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