99 GMC Sierra jerky

Asked by Nov 25, 2016 at 11:52 PM

Question type: Maintenance & Repair

I have a 99 GMC Sierra. When driving it it starts acting like
its missing. I replaced fuel filter which seemed to work for
a day but then it started again. It kicked up code for mass
air flow sensor so I replaced it but didn't help. One of my
o2 sensors says its low voltage bank 2. Also when this
happens the temperature gauge starts jumping or drops
to zero. I need this vehicle badly for work. Please help

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