SMOG

Ok. I Just Bought A 1984 Chevrolet Corvette. The Cat Converter Had Been Replaced And The Guy I Bought It From Hadnt Had It In His Name...

1995 Gmc Jimmy Nox Gas To High On Emissions Test! Do I Have A Bad Or Pluged Egr Valve! Msgtmorgan

Hi, I Have A 1999 Chevy Tahoe. I Just Failed My Emissions Test And Had The Following Codes Given To Me By The Mechanic: P0420, P0430...

2003 Saturn L300 6 Cyl My Saturn L300 Failed The Emissions Test. We Put The Scanner On It And The Bank 1 & 2 Sensors Were Reading...

The Vehicle Above Has A Persistant Black Smoke Problem. I Have Replaced About Everything I Can Think Of Short Of The Ecm. Is There A Way...

Hello, I Have A 1995 Bmw 525i, It Will Not Pass The Nox Portion Of The Emissions Test(az). It's Supposed To Be 2.0 Or Lower And I've Been...

Hi All, I Hope There Is Somebody Out There That Can Help With Me Problem. I Took My 1993 Es300 In To Get It Inspected Today. They Said...

I Am Looking Into Purchasing A Used Toyota 4runner, And The Previous Owner Says That There Is Steam That Comes From The Tailpipe, But He...

I Have Failed The Emission Test 3 Times In Tennessee-everything Has Passed Except Codes - Cannot Communicate-heated O2, 02, Cat, Evap-i...

Hi, I Recently Had My 99 Honda Civic Inspected And The Mechanic Told Me That The Emission Test Results Showed That My Catalyst, Evap, And...