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I am currently having this issue and the dealer has it now informing me that I have "thermostat heater pulling high amperage when commanded on." "Fuse 3 in underwood fuse box open." My questions are, where is the EGR and if you unplug it, does it affect any sensors needed elsewhere or maybe exposes possible future damage to some other system since you won"t, I expect, get any error messages if something is breaking down?
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