V10 Coolant Temperature Sensor Location?
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New User
Joined: Jan 2005
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V10 Coolant Temperature Sensor Location?
Hello,
I’m having a problem with my 1999 F250 with the 6.8 V10, During cold starts, it starts and immediately stalls 2-4 times (depending on outside air temp, warmer = less stalls) before it starts and runs. Using a scanner I found the coolant temp sensor to be reading about 3 volts when it should be reading about .5 volts at 190 deg. I found a sensor near the thermostat but it seems to be only for the instrument temp gauge, does anybody know where the engine coolant temperature sensor that controls the computer is located? Does the computer pick up coolant temp from a different sensor?
Thanks
I’m having a problem with my 1999 F250 with the 6.8 V10, During cold starts, it starts and immediately stalls 2-4 times (depending on outside air temp, warmer = less stalls) before it starts and runs. Using a scanner I found the coolant temp sensor to be reading about 3 volts when it should be reading about .5 volts at 190 deg. I found a sensor near the thermostat but it seems to be only for the instrument temp gauge, does anybody know where the engine coolant temperature sensor that controls the computer is located? Does the computer pick up coolant temp from a different sensor?
Thanks
New User
Joined: Apr 2017
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Temperature Sending Unit Response?
Hi, just wondering if you ever received a response to your question? I have a motorhome with a 6.8L Ford V-10 Chassis. Are there TWO sensors, then or just the one?
Thanks for your help.
Jim
Thanks for your help.
Jim
Cargo Master
Joined: Dec 2015
Posts: 2,921
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I think in '12 they just used the CHT (cylinder head temp sensor). Common failure on the 3V 5.4, but it just causes the gauge to peg and limp mode. I haven't heard of it affecting starting. It reads cylinder head temp but doesn't actually touch coolant at all.
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