CHEVROLET EMISSION

Would A Knock Sensor Help An Engine That Has A Rough Idle? I've Tried Everything. Egr, O2 Sensor Seemed To Help With Mileage, A Good...

I Have A 1995 Chevy Cavalier With The 2.2 Motor. When I Start The Car The First Time It Will Idle And Run Fine. After Getting Up To Normal...

Chevrolet Lumina How Do I Clean A Egr Valve?

My Blazer Will Not Pass A Smog Test. What Do You Reccomend Changing? When The A/c Is On Sometimes I Can Smell Gas. And When I Stand Behind...

03 Chevy Silvarado 5.3. Can The Evap Purge Valve Cause A Lean Mixture Code? My Truck Has No Egr Valve. My Guess Is The Purge Valve Took It...

Where Is This Hose Suppose To Connect To #31 Hose

I Replaced The Egr Valve On My Chevy Malibu. And The Check Engine Light Is Still Giving Me The Same Code. P0405 Which Indicated The Egr...

Check Engine Light Stays On Evap. Replaced Purge Sol, Also Tps. Tried To Reset Will Not Turn Off.

Engine Mechanical Problem 1989 Chevy Blazer 6 Cyl Four Wheel Drive Automatic I Have A 1989 Chevy S10 Blazer 4.3 Ltr 4 Wd When I...

Hi, I Am Trying To Figure Out Where My Purge Valve And Egr Valve Is Located In My Car And What They Look Like?