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2008 f350 diesel 6.4???

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Old 09-30-2016, 07:58 AM
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Chaz Heilman
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2008 f350 diesel 6.4???
What is wrong with my truck, I start the truck in the morning drive down the road, I will be doing 20mph and my boost gauge will go up to 40psi??

But it doesn't do it all the time!

Please help!!!
 
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Old 10-02-2016, 12:11 PM
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Does it run any different when the boost gauge pegs? If not, i would suspect a bad sensor.
 
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Old 10-02-2016, 01:30 PM
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Originally Posted by brandonrr
Does it run any different when the boost gauge pegs? If not, i would suspect a bad sensor.
Yes when it hit the 40psi I lose power.
Also yes it is a 6.4l
 
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