CHEVROLET EMISSION

My Car Failed Smog Now I Put New Plugs New Wires New Cap And Roter It Is Now Back Fireing And Idle Is Rough, It Ran Good B4 I Did All This...

My Truck Failed The Fuel Evaporative Controls Functional Portion Of The Functional Check Smog Test. What Could It Be? And How Much Am I...

Hello, How Much Should Labor Costs Range For An Egr Valve Repair? Also, The Mechanic Is Telling Me The Part Costs $160 But I Found The...

My Suburban Has Been Slowly Showing Some Mechanical Issues. In The Last Month I've Noticed That My Oil Pressure Has Been Slowly Going Toward...

I Recently Took My Car Back To The Dealer About A Check Engine Light He Hooked A Tool Up To My Car I Guess A Diagnostic And It Came Back...

Just Got This Car And Sometimes I See Exccesive Emission On Both Sides V6 Engine Automatic Trans, . I Have This Car For 1 Month I Sow Like...

So Here's The Problem My Car Is Having Trouble Passing Ca Smog Test. I Have Taken The Car To Two Different Mechanics And They Can't Figure...

My Computer Is Not Developing Codes For Emission Testing Required In Az. Obd Ii Process. Cats Replaced By Gm 21,000 Miles Ago. It Is...

I Recently Replaced My Plugs About A Month Ago. That Is All. About Two Weeks Ago About 2/3 Of The Time When I Put My Vehicle In Park It...

Engine Performance Problem 2003 Chevy Monte Carlo 6 Cyl Automatic My Check Engine Light Is On So I Had Someone Run Diagnostics On It...