Help! Fuel rail temp high - Ford Powerstroke Diesel Forum
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Old 05-22-2011, 04:49 AM
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Help! Fuel rail temp high

I was running the Spartan 75 tune and towing about 12K in the mountains and notice the fuel rail temp would go in and out of the red a bit. Seems like that was around 160F or so on the Spartan Dashdaq. Is this a problem? If so what causes this?

thanks for the help
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Old 05-22-2011, 08:58 PM
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Your fuel cooler may be low on coolant. Check the small black box above, and to the left of your degas bottle (main coolant reservoir). It has a gray cap. That should be full of coolant, or a coolant/water mix.
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Old 05-23-2011, 11:13 AM
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can you monitor this on the black max
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