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  1. W

    2002 1500 4.7 quad cab - list of issues curious best guess at total repair cost

    Idle rpm goes up and back down - i think O2 sensors or TPS ? Chugs / skips / slow acceleration - probably from same issue as idling O2 or TPS - may just get entire fuel injection system checked out can't hurt Shakes hard when braking - assume this is just front brake pads and rotors Loose...
  2. W

    '02 4.7 1500 Quad sluggish acceleration has misfired chugging a couple times if i hammer it

    fuel pump? filters? what are the basic common things to get replaced or checked out for these issues? thanks
  3. W

    1500 02' 4.7 high pitch whirring noise louder faster - still hear it when coasting in N - wheel differential?

    thinking wheel differential or just the pinion bearings? it sounds like coming from underneath almost center. gets louder the faster you go, not only on acceleration, also when coasting, still when braking, it's basically based off just how fast you are going which seems certain it's a bearing...
  4. W

    whining noise louder faster you go '02 4.7 1500

    does not make the sound when rev engine up in parked so it's something only gets louder the faster you go. i can't tell exactly where it's coming from but it sounds kind of like all around vehicle which makes me think from the rear axle or directly under the center maybe the transfer case...

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