CHEVROLET AVALANCHE WARNING LIGHT

I Have Codes P0420 P0430 P0171 P0174 A\can You Tell Me What Would Be The Likely Cause For These Codes? Any Info Would Be Greatly Appreciated...

Have Replaced All Four O2 Sensors And Vehicle Had New Plugs And Wires Fitted Just Before I Purchased It(last Week) Am Reading P0300 And...

The Service Engine Light Is On And Will Start Flashing After Being Stopped For More Than 30 Seconds. I've Changed The Plugs And Wires...

My 2002 Chevy Avalanche Is Giving Me Tow Codes Po200 And Po300 Please Help New Spark Plugs New Knock Sencor (2)

I Just Bought This Truck Used. The Engine Light Came On And The Oil Life Says 2%. We Checked The Oil And Put Some In, The Level Is Fine....

How Do You Reset Change Oil Light On 04 Avalanche?

Check Engine Light Keeps Tuning On And Off Randomly. Seems To Run Great, No Misfiring Really. Not Sure What Is Triggering It, But Need To...

I Jumped My Truck And Started But Lock Engine Light Came On. Now When Push On Gas Pedal No Increase In Rpm Over Idle, Never Seen This...

Transmission Problem 2002 Chevy Avalanche V8 Four Wheel Drive Automatic 125k Miles 125,230

Suspension Problem 2007 Chevy Avalanche V8 Automatic 50000 Miles The Light Is On And Car Stability Is Afectted