SMOG

Hi Guys, My Dependable 1992 Integra(gs, Automatic) Failed Ca Smog Test This Time: A) It Failed In Nox Column For 25 Mph At A Test-only...

My Taurus Has The 3.8 V-6 And Has Always Passed The Required Smog Test's Every 2 Years Up Until Now. I Guess The State Added A Fuel...

My Truck Has 290,000 Miles And It Won't Pass Smog. They Say I Need A New Catalytic Converter? Does That Sound Right To You. I Thought They...

My 96 Mazda Protege Failed Emissions. I Would Like To Know How To Fix The Following Codes Po130, Po170, Po740 With Out Spending An Arm...

I Have A 1989 Plymouth Voyager That Has Failed It's Smog Check. On The Initial Test, It Passed All Emissions, But Failed The Pressure...

My 94 Cavalier Failed Smog Due The A Emissions Leak And High Something. The Guy Didn't Tell Me What I Need To Fix It And I Need To Know...

My Mazda Miata Failed The Smog Test. Which I Don't Understand Because In The Report Shows That Pass Everything Except For The Visual...

4.9l 5speed 4x4 Duel Tanks Did Tune Up And Replaced Fuel Pressure Regulator. Still Is Idleing Too Rich And Has A Missfire At Idle.

Gas Values On Emission Test = Co 9.45. Co2 9.20.O2 0.08. Lambda 0.744.I Have Had 4 New Plugs Fitted, A New Air Filter, A New Cat And...

Have A 86 Suz. Samurai, 4cyl 1.3l Trying To Get Through Emissions. First Time Fail Report : Hc 4.18 / 3 Fail, Co 66.17 / 25.00 Fail, Nox...