Engine Performance problem
1994 GMC Jimmy 6 cyl Four Wheel Drive Automatic
Engine hesitation/stalls/ no power upon pushing gas pedal (acceleration). registers less gas than is in it. no apparent gas leak. has sat for a while however we were having this issue before and put lots of $ in and problem never resolved. had two tune-ups which included sparkplugs, wires, distributor cab. Also replaced fuel pump.