2002 GMC Sierra

Computer problem
2002 GMC Sierra 6 cyl Two Wheel Drive Manual 120000 miles

My truck turns over but will not run. The fuel pump is strong and it has a new fuel filter. It had a code of Po104 which is a bad mass air flow sensor. I have change it out but it still will not run. Any suggestions?
February 7, 2009.

Check out the related content below while we wait for the question to be answered by a professional mechanic.