Pontiac Smog

Vehicle Obd System Is Unresponsive.

Went In For Safety And Emissions Test It Failed Emissions Took To A Mechanic He Replaced The Purge Valve By The Gas Tank And A Valve Under...

My Car Listed Above Does It Need A Smog Test To Pass Inspection?

So I Recently Replace My Battery And I Need To Pass Smog. How Long Do I Need To Drive The Car To Cycle It?

Last Year My Wife's 02 Pontiac Gp Failed An Emission Test Due To Code P0420 Which Means " Catalyst Below Threshold Bank 1. We Replaced The...

I Have Failed Emissions Twice Now. Pulling Codes For Heated 02, 02, Cat, Evap. Even Though No Ck Engine Light Comes On. I Have Replace 02...

Vehicle Did Not Pass Emission Due To Oxygen Sensors,can A Diagnostic Check Tell Me Which Ones Are Bad?

My Car Has Failed Emissions With A P0102 Code. The Engine Light Goes On And Off. It Does Not Have Much Get Up And Go And It Bucks Like Crazy...

Engine Mechanical Problem 1999 Pontiac Grand Prix 6 Cyl Wheel Drive Type Unknown Automatic 130000 Miles Hello, I Have Been Taking...

Please Help! Can Not Get Car Registered Because It Failed Emissions. The Inspection Report Shows Everything As *pass, Except For The...