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$3000 later and no diagnosis

788 Views 7 Replies 8 Participants Last post by  dezl
I have an 01 with an edge chip, cold air intake and 4" exhaust. I have a loss of power that feels like the truck is struggling for fuel. It seems to happen after warm up and after a good pull up a hill at constant rpms the truck will accelerate much slower than normal. I do not have a boost gauge so I am at a loss there. I am not a gearhead so I dont understand everything about the system. I have had it to the dealership , $2200 later they told me there was nothing wrong, well it did it on the way home. Another shop told me it was a fuel issue and ran it with their gauges and no problems came up. No codes, fuel pressure seems to be ok, it must be something in the turbo?
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I work at a dealership and I had a truck come in with kind of the ssame problem.... had a loss of power intermitently..... no codes, fuel pressure was good, evrything checked out ok so I had the service writter contact the customer and tell em everything checked out fine no codes or nothin.... but i have a hunch that its the injection pump and if the customer wants i'll replace it?....... well the customer denied the work and 3 days later it came back with a no start issue and it was the vp-44...... so yeah
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