Hello to all Boaters. This 2017 season has been a pretty awesome experience for a new boater like myself. I have, however had a re-occuring issue that maybe some of you can help me more easily remedy. Earlier in the season, I took my 2016 VR5 up to Sebago lake in Maine. The long and the short of the story is that my 4.3L mercruiser went into guardian mode, beacause there was no temeperature reading being recorded, and my analog guage indicated that as well (it sat below 100). I was lucky enough to find a Mercury repairman locally who basically diaganosed the issue over the phone. I took it down to him and he resolved the issue in less than a hour. When I came to pick up the boat, he said it was just as he suspected. The sensor had been blocked up with sand and sediment, and was not sending any temperature measurement, thus shutting the boat down,even though it was not overheating.
Fast forward to last week. The boat had been running great since the July repair and I had taken it out several times since. I took the boat to a lake in Mashpee Ma, and I inadvertantly ran into shallow waters with a sandy, silted bottom. Soon thereafter, the boat went into guardian, and I was getting no temperature reading at my analog guage, which is usually between 150-180. Is this something that an average DIY guy can address, or is it something that my dealer needs to fix? I will tell you that the mechanic who did repair it the first go around, had it resolved in a very short time. Any help would be appreciated. I know this system is in place to safeguard an engine overheat/seizure, but now twice in a season, its become a nusance. The only thing that I do remember from the first repair is that a rubber gasket had to be sacrificed to get the sensor out and flushed. It was a 8 dollar part. Thanks for any help or suggestions.
Fast forward to last week. The boat had been running great since the July repair and I had taken it out several times since. I took the boat to a lake in Mashpee Ma, and I inadvertantly ran into shallow waters with a sandy, silted bottom. Soon thereafter, the boat went into guardian, and I was getting no temperature reading at my analog guage, which is usually between 150-180. Is this something that an average DIY guy can address, or is it something that my dealer needs to fix? I will tell you that the mechanic who did repair it the first go around, had it resolved in a very short time. Any help would be appreciated. I know this system is in place to safeguard an engine overheat/seizure, but now twice in a season, its become a nusance. The only thing that I do remember from the first repair is that a rubber gasket had to be sacrificed to get the sensor out and flushed. It was a 8 dollar part. Thanks for any help or suggestions.
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