2003 Gmc Sonoma Motor Feels Weak Won T Pass 70 Mph That S On Incline Drops Speed

2003 GMC SONOMA
123,000 MILES
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My motor feels weak it won't go pass 70 mph and that's it and when I go up on an incline it drops speed I mean foot will have the gas pedal all the way down it takes forever to pick up speed
Jan 12, 2013 at 7:22 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 POSTS
Check for a plugged catalytic converter, check for tune up, if the check engine light is on, have the computer scanned for trouble codes... My first check would be for a plugged catalytic converter
Jan 12, 2013 at 7:24 PM
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