EMISSION

Misfiring. The Test Does Not Indicate What Cylinder Is Misfiring. Two Diagnostic Trouble Codes Were Present. P0420---b1 Catalyst System...

We Had Our 97 Corolla Checked By A Local Mechanic And Were Told It Needed The Egr Valve Replaced. They Quoted $389 To Replace The Egr Valve...

I Had Someone Read The Code With An Analyser And It Said To Replace The Egr Valve. It Looks Easy To Replace But I Think I Need To Remove...

Trying To Locate The Pcv Valve To Replace It With A New One.

Engine Mechanical Problem 1992 Chevy Lumina 6 Cyl Front Wheel Drive I Have To Change The Egr Valve In My 1992 3.2 Chevy Lumina Sedan...

Hello, The Grand Am Had A Pcv Valve Changed On It. The Elbow Hose With It Was Also Replaced. It Went Perfect Changing Them Out But About...

Evaporative Leak Detection Pump

I Thought It Was The Egr Valve On My Car Turns Out They Dont Have One. So I Need The Specs And A Diagam If You Guys Have One For A Pcv Valve...

Why Does My Pcv Valve Have No Ball Check Inside

Why The Gas Recycler Or Air Injection System Still Working After I Turn Off The Car, Is Repetitive, On-off, 0n-off, A Lot Of Times, I...