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Old 02-17-2017, 01:07 AM   #1 (permalink)
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I got back from a sledding trip the other day and I fired up my 2012 XF 1100 turbo to let it warm up before I took it off my truck. I got distracted and forgot that the sled was running, when I got out to the truck the sled was shut off. I believe it overheated and shut off as there was a small amount of coolant under the sled. I got the sled off the truck and drove it around to cool it off.

It has a TD flashed ECU.

Does anyone know what temp parameters TD programmed into their tunes? And does it shut off at a predetermined temp? If so, could any engine damage occur at the temp?

It starts and runs fine, just not sure if any damage occurred.

Thanks
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Old 02-17-2017, 01:26 AM   #2 (permalink)
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I think TD is safer. Stock will flash around 235 go steady at 245 and shut off a little after that and puke out a little. Need to top it off. No damage, any time even at normal temps after shut down a few minutes will read 225 or so around the sensor until it gets some flow which is instant once the motor is running. Once up to running temp 155-170 letting the engine idle every 6 mississippi count temp goes up 1 degree. Let mine go to counting to 190 takes a lot longer to back down to normal than a 225 restart. I let mine idle once while gassing up went flashing thats one reason why I got a gauge
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Old 02-17-2017, 11:23 AM   #3 (permalink)
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your fine cat has a 10-15 min shut down if it see no throttle movement . ps I still want the part you will see $$ today lol .
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Old 02-17-2017, 12:20 PM   #4 (permalink)
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your fine cat has a 10-15 min shut down if it see no throttle movement . ps I still want the part you will see $$ today lol .
It definitely got hot because there was coolant on the ground.
Is there a predetermined temp that it will shut off the engine at?
I got the parts put aside for you, thanks
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Old 02-17-2017, 01:00 PM   #5 (permalink)
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yes 220 is wear they shut down still wont be a issue
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Old 02-17-2017, 07:36 PM   #6 (permalink)
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My sled goes into limp mode at 214. They do take quite a heat soak when they are shut down.
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Old 02-17-2017, 09:25 PM   #7 (permalink)
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yes 220 is wear they shut down still wont be a issue
Its right in the manual where they shut down. If it was 220 it would shut down everytime you tried to start it when its up to temp.
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Old 02-19-2017, 01:25 PM   #8 (permalink)
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Its right in the manual where they shut down. If it was 220 it would shut down everytime you tried to start it when its up to temp.

I did some research and what I found is in bold below. It doesn't say anything about it shutting down if the temp rises to a certain temperature. Maybe the shutdown is in the Turbo Dynamics programming? Maybe Ben can chime in on the safety in the programming

I also did a leak down test yesterday, at 100psi one cylinder had a 2psi drop (98psi on gauge) and the other has a 4psi drop (94psi on gauge). So everything should be good there. I think I'm worrying about nothing, but just want to make sure its not hurt.


NOTE: If the coolant temp rises above 105°C (221° F) (4-Stroke) the temp light on the gauge will start to flash and the engine will go into a fuel cut (surging) mode to alert the rider of overheating. If the temp continues to rise and exceeds 110°C (230° F) the temp light will be on continuously. The fuel cut will not protect the engine from overheating if the operator continues to ride the snowmobile.


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