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Old 07-05-2013, 12:02 PM
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motor issue?

i have a 01 new cps and ipr also new reman full force stock injectors.. truck did this before i changed them and still is doing it.. i notice it more when truck is up to temp.. around 38-43 and 1500-1600 rpm range give or take 200. i notice a vibration coming from the peddle and can feel a little shudder in the wheel feeling.. i notice this when i slowly accelerate and get into this range.. i don't know what it could be or are all 7.3s like this.. i notice a slight change in sound from the motor at this range.. AE shows everything good. any ideas?.. truck had 116k and has power and no other issues
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Old 07-05-2013, 07:54 PM
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what is the sign of low compression? or could this be turbo or tranny issue?
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Old 07-05-2013, 10:03 PM
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check the driveline assy...u-joints, carrier bearing..etc.

With truck idling, removethe oil fill cap and see if any pressure is coming out.
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Old 07-06-2013, 03:39 AM
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i checked the front end it looks good. also took it to a couple shops and they said the same...there a little but it doesn't blow the cap off or anything. and it doesn't use oil..seems like when the truck is up to temp i notice it the most
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Old 07-08-2013, 07:54 PM
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i couldn't find anything with the front end.. also when at idle in park i rev the truck and from 1200-1600 or so rpm the truck starts to shake then smooth out the higher i go.. as well when i rev it high and slowly bring it down starting around 1500 to 900 the truck starts to shake even more.. could this be related? and anything i could check?
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