CHEVROLET TAHOE EMISSION

My Chevy Tahoe 2002 5.3 Flex Fuel Has A Slight Lope When At A Idle Ive Read That Most Likley Cause Is The Egr Valve Sometimes It Hesatates...

Hi, I Have A 1999 Chevy Tahoe. I Just Failed My Emissions Test And Had The Following Codes Given To Me By The Mechanic: P0420, P0430...

I Had Noticed In The Last Few Months When I Get Gas And Unscrew The Cap The Tank Has Alot Of Negitive Pressure In It You Can Hear It Suck...

I Have A 1995 Chevy Suburban, About 2 Months Ago It Started With A Problem. When I Am Going Under 20 Miles It Seems Like It Wants To Turn...

I Have A 1999 Tahoe With About 164000 Miles. No Problems Up Till Now. I Can Start My Tahoe Fine It Runs Fine, But After About 20 To 25 Min...