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having trouble with my 7.3l

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Old 11-14-2009, 03:59 PM
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Originally Posted by snow white
if its white its lack of heat. you should check your glow plug solenoid. if it works then i would be heading under the valve covers

^^^This guy is leading you down the right path, do the test light test on the glowplug relay.
Old 11-14-2009, 04:00 PM
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ok thanks is there anything else that could be wrong with it???
Old 11-14-2009, 04:02 PM
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Originally Posted by Wilde Racing
^^^This guy is leading you down the right path, do the test light test on the glowplug relay.
but isn't there a silenoid instead of a relay???
Old 11-14-2009, 04:04 PM
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Bad fuel. But like said, smoke means there is fuel but if it is low in cetane, it may not light the fire
Old 11-14-2009, 04:06 PM
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Originally Posted by Matt G6007
but isn't there a silenoid instead of a relay???
Same thing. one is just bigger. but yes you are right it is a solenoid. There should be four posts total on the solenoid, two small two large. One large will have power all the time, one small will be ground the other positive, one the small curcit is energized, the other large post will have power.
Old 11-14-2009, 04:34 PM
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Originally Posted by Wilde Racing
Same thing. one is just bigger. but yes you are right it is a solenoid. There should be four posts total on the solenoid, two small two large. One large will have power all the time, one small will be ground the other positive, one the small curcit is energized, the other large post will have power.
depending on the location the truck was sold in there could be a cold weather package on the truck. this would include the manifold heater. it has a controller that looks similar to the glow plug controller but it is taller. they are beside each other so make sure to test the shorter solenoid. that is the one for the glow plugs
Old 11-15-2009, 03:05 PM
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ok i fixed the problem and it was the glow plug silenoid

now when she started up the motor makes a serious ticking sound and it gets worse when i rev it up a little could it be lifters or rocker arms???
its definately not a knocking sound its more of a ticking and its up top some where
Old 11-15-2009, 03:45 PM
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fuel knock? or valve noise?
Old 11-15-2009, 07:08 PM
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it really sounds like a lifter or a rocker arm ticking sound...
is there any kind of problem with the valvetrain that you have ever heard of before or do you think that it could be something else???
Old 11-15-2009, 07:15 PM
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Originally Posted by Matt G6007
it really sounds like a lifter or a rocker arm ticking sound...
is there any kind of problem with the valvetrain that you have ever heard of before or do you think that it could be something else???
nothing common on those. they were pretty bulletproof. hard to tell without actually hearing it.


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