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  1. W

    Ops Checking Fuel Pumps?

    Howdy...I've got a 96 GMC 4x4 1500 Suburban w/ 85K miles. When I start it up, and continually afterwards, there's a mute whining noise coming from the driver side rear quarter panel (only audible from the outside of the truck). The previous owner said someone suggested it was the fuel pump. So...
  2. W

    Will This Significantly Improve Gas Mileage?

    Hello all. First post in these parts. Looks like there's tons of experience present and accounted for. Maybe someone knows the answer to my issue. I'm trying to increase the MPG I get from a 1996 GMC Suburban 5.7L (350cc), 4x4 with 84,500 miles. A friend of mine, who is a do-it-himselfer auto...
  3. W

    Will This Improve Gas Mileage?

    Hello all. First post in these parts. Looks like there's tons of experience present and accounted for. Maybe someone knows the answer to my issue. I'm trying to increase the MPG I get from a 1996 GMC Suburban 5.7L (350cc), 4x4 with 84,500 miles. A friend of mine, who is a do-it-himselfer auto...
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