CHEVROLET TAHOE EMISSION

The Gas Throttle Keeps Racing High.

Engine Performance Problem 2000 Chevy Tahoe V8 Four Wheel Drive Automatic How Do You Replace The Air Injection Check Valves?

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...

There Is A Module In The Engine Bay Mounted By The Firewall That Has Two Hose Inlets That Have Nothing Connected To Them. I Need Help...

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...

When I Drive My Car, It Makes A Sound Like When You Go Get Your Car Smog And Then Put It On That Machine That Spins The Tire. What Is Wrong...