The Mariah Owners Club
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The Mariah Owners Club (http://www.mariahownersclub.com/forum/)
-   Mercury MerCruiser (http://www.mariahownersclub.com/forum/mercury-mercruiser/)
-   -   Engine will not start (http://www.mariahownersclub.com/forum/mercury-mercruiser/6564-engine-will-not-start.html)

Hudson River Steve 05-17-2012 12:04 AM
Re: Engine will not start
 
Roger,
Have you checked your engine coolant temp and Intake air temp sensors and or their wiring? If one of these two sensors or their wiring was faulty your engine would behave as you described.

Roger Butterfield 05-17-2012 02:43 AM
Re: Engine will not start
 
Hi - the engine temp guage approached 220 so I knew I had to shut it down before the alarm sounded. Haven't checked the Intake Air Temp Sensors. What do I look for or, how do you test them?

Zackattack 05-18-2012 11:46 PM
Re: Engine will not start
 
Quote:
Originally Posted by Roger Butterfield (Post 36000)
Hi - the engine temp guage approached 220 so I knew I had to shut it down before the alarm sounded. Haven't checked the Intake Air Temp Sensors. What do I look for or, how do you test them?
Have you removed the thermistat? If not you may have debris in there or a faulty thermistat. I would pull it and swap and see.

jarwiebe 05-20-2012 05:27 PM
Re: Engine will not start
 
You may wish to do a compression check. You say runs on 5, not to scare you,but you may have a blown head gasket, ask me why i would say that :(


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