i have a 2001 chevy Tahoe been driving a day running fine. and then it started running bad slow to take off?

Humveetech2015-10-31T08:37:15Z

Misfire or what??? Have you performed any type of basic checks??? Check Engine Light on & blinking??? Any codes stored???

Doesnt matter if it ran perfectly for the last 50 years, things fail & they fail randomly

glcang2015-10-30T15:21:03Z

Check your fuel filter and the plugs