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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Bingo, that's what I was wondering. Thanks Scott.
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    Arcadia/Traverse Suitability?

    Looking at short distance towing for a 2008 Glastron V8 GT205 on a single axle trailer. I haven't found good specs for weight on that boat but it looks to be 3000ish for the boat alone. We currently have a GMC Yukon XL but she's old and it's time to move on. I'd rather not eat the cost of the...
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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    So at the marina, the boat ran great. Of course. But like you guys, they also were suspicious of the oil pressure switch. They were also suspicious that Merc had so many of them in stock. So they replaced it. Because of the wildfire pollution, we haven't put in many more hours but so far it's...
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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Thanks for the continued info, I appreciate it. I was able to find only 3 mentions of the oil pressure switch in the Mercruiser Sterndrive manual #31: where it is and what loc-tite and torque to use. No testing or replacement info. Scott and bondo have both mentioned this, it is a common failure...
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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Good thought on oil pressure, I see that is in the path on the diagram alldodge posted. 490 hours, owned since new, oil and filter every fall. Oil pressure gauge shows good pressure, higher than my other V8 vehicles. When I do my own oil and fuel separator, I never have a problem getting them...
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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Ok. Now that the toxic Canadian air has passed, I was able to spend some time on the boat. I was unable to get the water separator filter off. Here in NW Wisconsin, there must be some marina rule that all oil and water separator filters are torqued to the point where you need the jaws of death...
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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    From the diagram, TKS has a "module"? What does that do? [Edit: I found it iBoats. Cold engine enrichment. I always thought the hissing was from a choke plate. Now I know.]
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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Believe it or not, I burn 4ish gallons per hour when we are cruising and doing mixed water sports with a light load. And 2 gallons per hour at 1200-1300 rpms booze cruising and pretending to be a pontoon boat. Good suggestion about checking the fuel separator to see if there is fuel in there. I...
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    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Well maintained, owned since new. 490 hours. Motor just serviced by marina last fall including new fuel separator filter, plugs & wires. Fuel filter at carb also pulled and inspected, not replaced. Boat ran great for 5 hours this spring and then died while cruising at 2500 rpms. Would not...
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