CHEVROLET EGR VALVE

What Is The Purpose Of The Egr Valve And Where Is It?

I Had The Fuel Pump Replaced. On The Way Home It Felt As If The Fuel Was Not Being Regulated And The Throttle Was Surging. The Service Light...

My Truck Listed Above Failed An Engine Block Test. I'm Arranging To Have A Rebuilt Engine Installed, But First Need To Determine If...

Just Curious. Can An Egr Valve Be Bad Without Throwing A Trouble Code? The Reason I Ask Is Because I Went To My Normal Exhaust Shop To Get...