Cadillac Smog

Computer Will Not Reset ,disconnected Battery And Still Will Not Reset, Fail Emissions Test Because Ofit

I Took My Car For Inspection Today And Don't Know What To Think Of The Result. My Car Failed In Every Way For Emissions. The Report I...

First Start In The Morning Or A Cool Engine I See White Smog Coming Out Of The Exhaust With No Pressure From Both Pipes. With The Cool...

I Have Replaced 3 Catalytic Converters In 3 Years And I Still Can Not Pass Smog. I Keep Have The P0420 Code,help

I Just Took My Car Through Inspection And Failed For Emissions. I Was Told That I Need To Bring The Car Back When The Computer Has Recycled...

My Car Will Not Pass Smog. Diagnostics On It, Does Not Show Anything Wrong With The Motor. The Tech Guy, Told Me To Drive It For 30 Miles....

Hi I Am Trying To Get My Car Smog Checked.well It Keeps Failing And The Only Thing It Comes Up With Is No2. Not Sure What I Can Do To Fix...

Will A Failed Smog Sensor Damage The Car

Computer Problem 1996 Cadillac Deville V8 Automatic 190000 Miles I Have To Unhook The Engine Battery Everytime I Don't Drive The Car...

I Am Having Problems Getting My Car Through Because My Hydro-carbon Levels Are Very High. So I Was Wandering What Could The Problem Be