Mechanics

GMC SONOMA CATALYTIC CONVERTER PROBLEM

2003 GMC Sonoma • 123,000 miles

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
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Guest
January 13, 2013.



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