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Injection pump going out?

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Old 11-10-2008, 07:18 PM
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Injection pump going out?

I am posting for a friend. He has an 03 and he said that the truck is studdering and does not have the power nor smoke that it use to have. He has a juice with attitude {hot version} and a boost fooler. Doesnt this sound like the cp3 going out? Thanks guys.
Old 11-10-2008, 11:01 PM
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does he have the stock lift pump?
Old 11-10-2008, 11:10 PM
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Originally Posted by DENVERDODGE04
does he have the stock lift pump?
Yes he does. He is saying that it is the injectors,but I dont think that is the problem.
Old 11-10-2008, 11:14 PM
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If it is running rough at idle with a funny sound I'd look at the injectors. If the cp3 was failing I would think it would do more than make the truck studder. He can also check out the FCA behind the cp3, it may be bad and/or sticking. If all these check out good look at the rail sensor.
Old 11-11-2008, 07:39 AM
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I would start with the lift pump. But first is to check the fuel filter.

MikeyB
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