EMISSION

Can You Please Tell Me Where To Find The Pvc Valve On My Xb, I Recieved A P0456 Code And Gas Cap Is Tight, Hoses Look Good So This Is Next...

Engine Performance Problem 2003 Renault Laguna Front Wheel Drive Manual 96000 Miles Hi, About A Month Ago The Turbo Went On Our...

My Mazda Protege5 Has Gone From Rough Idle While Stopped To Pretty Much Dying When Stopped. I Want To Clean The Egr Valve And I Know How To...

Truck Will Not Idle On A Cold Start Without Giving It Gas. Once The Engine Warms A Little It Idles Rough And Eventually Smooths As It...

I Searched All Over The Net For Someone Who Has Had This Problem, And I Have Found Multiple Sources That Talk About Some Of The Same...

I Found Three Vacuum Fuel Hoses And Replaced Them. I Am Hoping That Would Take Care Of The Problem, But I Don't Know Much About Auto...

I've Had A Trouble Code P0401 Coming Up For Months I Took It To A Well Known Auto Repair Chain, They Changed The Egr, Still Have Code...

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

Got Any Fairly Inexpensive Tips? And Is There Anyway To Tell If Nox Emissions Are Being Reduced Without Expensive Testing Equiptment? Thanks

Won't Smog I Was Told To Drive It 75 Miles At 2,000 Rpms. I Did That, And It Didn't Reset Computer.