Dodge Emission

The Air Pump On My Truck Has Been Ticking Badly The Last Few Days. My Question Has 2 Parts, #1. What Is Making The Air Pump Tick? #2....

I Have A Dodge W-250 How Would I Go About Checking If My Egr Valve Is Causing My Intermitten Throttle Hesitation?

I Have A 1990 Dodge W250 And The Smog Pump Was Making A Popping Sound. I Took The Belt Off And The Noise Stopped. I Am Not Sure What I Am To...

What Does Co% Mean On An Emissions Test?

What Is The Part Name That Is Mounted On Top Of The Air Pump

138908

Also Is It A Fuel Injection Or Carburetor Injections I Live In California. Do You Have Any One In Ceres Ca Or Modesto Ca That Fix Whatever...

Failed Miserably, Almost Twice As High As Passing Grade. I Replaced The Catalytic Converter Two Years Ago And It Barely Passed Then. (the...

I Have Checked The Lines Coming From My Pcv Valve To My Manifold And To The Line Conected To My Vacuum Hose. All Had Gunk In Them At Hte T...

What Could Be Causing A 1989 Dakota To Fail Emissions? Also, The Air Condiioner Doesn't Work At All. How Do I Fix It?