What the ticking sound under hood when u turn key forward?
02-16-2009, 08:21 PM
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What the ticking sound under hood when u turn key forward?
i have a lift pump in tank on my 2004.5 . i bought truck used but I think it was updated. you can hear the lift pump at rear of truck. but under hood i hear clicking sound when key turned forward before i start it. it doesnt sound like grid heater. sounds like its coming from fuel anister. is it the fuel heater.it goes tick, tick, tick , tick for ever until i turn key to start truck.
02-16-2009, 08:40 PM
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any1? kinda sounds like the electronic igniter on barbeques now a days. except constant. i cant pin point it. its not a problem im just curious as to what it is. is it a coil producing enough voltage for grid/fuel heaters?
02-16-2009, 08:47 PM
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how often does it "tick" it might be your grid heater kicking on and then off but cant tell for sure.... park the truck in a dark spot at night turn the key and look under the hood make sure its not something arcing, reason i say do it at night in the dark cause you will prob see the spark light up
02-16-2009, 08:51 PM
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My buddies 2004.5 also does this. His original lift pump failed and he got the in-tank one installed under warranty, but still sounds like the lift pump working up forward. One of these days I am going to check and see if the old pump is still there, but disconnected.
02-16-2009, 09:02 PM
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If you look at your dash you'll see a coil symbol illuminated while you hear the ticking. Once the ticking stops you'll see that symbol go off. Then you start your truck. I never wait as its not cold around here.
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02-16-2009, 09:26 PM
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02-16-2009, 10:45 PM
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