EFT1 high alarm? - Ford Powerstroke Diesel Forum
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Old 08-03-2010, 01:41 PM
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EFT1 high alarm?

The past few times i have started my truck I get a high alarm on EFT1? Can anyone tell me what this means? It gets up to about 150 or so and goes into alarm then when I drive it for a few mins it settles back down to around 120-125. Iam currently running the spartan 250 tune. Been on this tune for about three months or so
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Old 08-03-2010, 01:49 PM
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It means the fuel temp is high. It can be from engine heat radiating to the fuel or ambient temperatures or even sun on the hood. don't worry about it.
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Old 08-03-2010, 01:51 PM
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That makes since with a heat index of 120 degrees and a black truck
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Old 08-03-2010, 02:06 PM
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Also, you might want to check your fuel cooler. It is the small black reservoir that is above and to the left of your degas bottle when you are looking directly at your engine bay from the front of the truck. It could be low on coolant. It takes the same coolant that your degas bottle does. You can also do a 50/50 mix of water and coolant in it.
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Old 08-03-2010, 08:22 PM
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Degas bottle? Dumb question, but what's that?
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Old 08-03-2010, 08:49 PM
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the clearish bottle on the right hand side of your engine bay if you are looking at the windshield.
It holds the coolant and has a black cap.....behind the battery
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