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Old 12-28-2011, 04:14 PM
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very slow start

Ive seen several threads on here about this but cant find nothing when I need to come back to it. but a few weeks ago I changed my oil cooler gaskets and did an oil change and changed my coolant. now even with my truck plugged in its very slow starting. and usually when I unplugged it before it would spark a little and now it dont. even after I run the truck for awhile its still wants to be slow starting. I know I saw a thread on here before about a blown fuse or something but I cant find it. but is there a certain way that the block heater cord needs hooked up to the element, there was just 2 prongs on the back. truck did start fine for like two days and went back to being slow. another thing i noticed is when its cranking the water in fuel light and fuel filter light comes on til its starts then they shut off. is that normal
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Old 12-28-2011, 04:26 PM
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You're just psyching yourself out. That's all normal.
My cord will sometimes spark, sometimes not. After it being on a few hours, is it warm to the touch?
The blown fuse is if the fuel bowl heater shorts out which takes out the fuse for the PCM too. That would cause a no start situation.
I'd check your GPR and GPs.
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Old 12-28-2011, 04:34 PM
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well thanks for the info. thinking about going steelhead fishing in the morning and dont wanna be stuck there cuz it wont start. but yesterday my superchip did pull a code it was p0603-internal ctrl mod KAM error. have no idea what that means
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Old 12-28-2011, 04:39 PM
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KAM is keep alive memory. Just means the PCM lost power.
Either you d/c the batts or they died.
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Old 12-28-2011, 10:53 PM
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How new are the batteries?
Sounds like they might be on their way out, and aren't giving the starter enough juice to turn the engine over easily.
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Old 12-29-2011, 06:20 AM
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I hear and have had that problem only with programmers on our rigs, I don't know why but anytime you throw a tune on with edge or superchips programmers it will throw the kam code, just clear it, it won't affect anything only comes up when you have a tune tho.
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Old 12-29-2011, 06:34 AM
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Does the truck crank slow, or it cranks over good but doesnt start?
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