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Old 03-21-2016, 08:40 PM
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Default New Motor
Just put a new 5.4 in my truck it's shaking a little bit anyone know what could have gone wrong? I used everything off the old motor to put on my new motor.
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Old 03-21-2016, 08:47 PM
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Could be coil packs
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Old 03-21-2016, 08:54 PM
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Originally Posted by cowboynatedog
I used everything off the old motor to put on my new motor.
Theres your problem, assuming you put old coils on a new engine.
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Old 03-21-2016, 09:43 PM
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So I should probably change out my coil packs?
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Old 03-21-2016, 09:47 PM
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What about the motor mounts? Change them?
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Old 03-21-2016, 09:48 PM
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Originally Posted by Tazzfx
What about the motor mounts? Change them?
would be my guess.... he said shaking.. shaking as in motor mount shake or misfire shake..
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Old 03-21-2016, 09:58 PM
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Originally Posted by cowboynatedog
So I should probably change out my coil packs?
Yeah probably a good idea.
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Old 03-21-2016, 09:59 PM
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Such a vague post...

start with the basics. Check all mounts, check to make sure all COP's are properly installed, plugs are snug, etc.

Any CEL's?
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Old 03-21-2016, 10:00 PM
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Originally Posted by Tazzfx
What about the motor mounts? Change them?
Probably not the problem. The engine mounts on these trucks are solid and typically outlast the truck itself.
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Old 03-21-2016, 10:15 PM
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My Mechanic said it shaking and misfiring. But he said he needed to hook a computer up to the truck to figure it out.
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