SMOG FAIL

I Am Getting Following Smog Fail Numbers: No (ppm) Speed Max Ave Meas 15 508 149 618 Fail 25...

Failed Emissions Test. Was Told By Garage That In Order To Replace The Evap Hose That I Would Have To Buy A New Gas Tank And Total Cost To...

I Just Received A Failed Emissions Test Due To A Fail In The On Board Computer. Below Are Details On The Report. Under The On Board...

After A Diagnostic Was Run, A Major Tune-up, Oil Change And New Cat Converter Were Done. Failed Again On Retest. Hc And Co Levels Are...

Hello I Have A 1988 Toyota Pick-up, Its A 4 Banger With 4wd (manual). I Recently Took It In To Get It Smogged In California And It Passed...

Engine Mechanical Problem 1994 Lexus Ls 400 V8 Automatic 172000 Miles Fails Emisions Test On 25 Test For High No. 25 Test ...

Would Not Pass Smog I Ended Up Replacing Headgasket, Valve Job, Valve Lashcomplete Tune Up, All New Vacuum Lines And Pcv, Sensors Ect....

I Know Very Little About Vehicles But A Few Of My Friends Are Somewhat Knowledgeable About Most Newer Cars But Not Really Familiar With The...

My Truck Just Failed Emissions For The First Time Ever And Unfortunately It Failed All Three Batteries Of Testing. The Readings Were: Hc 1....

Engine Performance Problem 1987 Chevy Camaro 6 Cyl Automatic 180000 Miles What Would Cause My Camaro To Fail Emissions Test? At 2500...