O2 5.3 silverado runs ruff n sometimes acts like its no ut of gas

Asked by Oct 11, 2016 at 11:23 AM about the 2002 Chevrolet Silverado 1500

Question type: General

Codes say miss fire low fule pressure my pump has got loud lately n sounds
like cuts in n out sometime. Ce light flashing wen I give it gas . changed fuel
filter and no difference. So is that my pump is going out.all my injectors are
pumping iv checked that I can hear them.any advice?

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