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Hi - this is my first post.
I have 2005 Johnson 115hp V4 2-stroke. Whilst flushing the engine recently the temperature alarm sounded and the red light came on. The water seemed to venting OK, was not overly hot and the engine did not seem to be overheating. I was due to do an impeller change anyway so I completed this today. On starting the engine (from cold) the system goes through its check (oil, water etc) but then the red temperature light stays on together with the temperate alarm sounding. After about 15 sec the alarms stops but the red light remains on (engine still hasn't warm up). There appears to be no problem with the water pump; the exit water flows strongly and is cool and there are no obvious signs that the engine is overheating. Is this a temperature sensor issue - is there a need to reset something after it triggered prior to the impeller change or could there be other causes. Is there a systematic way of testing this?
I have 2005 Johnson 115hp V4 2-stroke. Whilst flushing the engine recently the temperature alarm sounded and the red light came on. The water seemed to venting OK, was not overly hot and the engine did not seem to be overheating. I was due to do an impeller change anyway so I completed this today. On starting the engine (from cold) the system goes through its check (oil, water etc) but then the red temperature light stays on together with the temperate alarm sounding. After about 15 sec the alarms stops but the red light remains on (engine still hasn't warm up). There appears to be no problem with the water pump; the exit water flows strongly and is cool and there are no obvious signs that the engine is overheating. Is this a temperature sensor issue - is there a need to reset something after it triggered prior to the impeller change or could there be other causes. Is there a systematic way of testing this?
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