SMOG

Just Had My Timing Belt Changed And My 3 Litre Engine Would Not Idle When Warm. Adjustments Were Made. I Have Been Told This Should Not...

Ok. I'm In A Bind Here. I've Got A 1987 Dodge Dakota Work Truck I Just Bought, But It Keeps Failing Emissions Inspection. I Don't Think It...

Reasons Why My 1985 Corvette Wont Pass California Smog?

Okay So Here's The Deal. This Is The 1986 4a-c Corolla Engine In A Sport Sr5 Sohc. I Failed The First Emissions Test With The Main Problem...

Just Failed Emissions Test. They Gave Me Codes P0420 And P0455. I Did How Every Drive For A While Without A Gas Cap On (a Few Months). I...

My Car Failed This Years Emissions Test With A High Nox Reading. My Car Is A 1989 Honda Civic Hb With A 1.5 Engine, 4spd. Does It Have An...

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...