bravada 2003 on 2003 Oldsmobile Bravada

loss of power> can drive but like pushing up hill

Asked by for the 2003 Oldsmobile Bravada
most likely a clogged resonator pipe just before the cat converter.a sawzall a $10 replacement pipe and two clamps and your wories are most likely over.
2 more answers
have the exhaust system checked for restrictions. Greg
Most common problems with "Loss of Power" would be a clogged or restricted catalytic converter. Bring the car by to have us check for proper exhaust flow. Millevoi's Automotive, Bensalem