SMOG FAIL

I Recently Bought An Old F150 With The 4.8l Motor. I Took The Truck To Emissions And It Passed Everything Except Hydrocarbons In Idle. The...

We Have Taken The Car In For An Emissions Test Twice And It Failed The Test Twice, Stating Failure Due To "computer Not Ready"

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...

I Have Been Trying To Get My Truck To Pass Smog. It Wont. The Guy At The Station Says Its Running To Rich. Another Guy Said, It Was A...

I Replace My Engine With A New 305 2 Years Ago And Passed With Flying Colors A Year Ago Smog Cam Up And I Failed On Everything But Gas Cap...

I Currently Failed The State Emission Test They Said The Computer Had An Error Code Pointing To An Emission Problem. I Took It To A Shop...

It Was A Gift Out Of State. Went To Smog It And Did Not Passed. The Guy Says That There Is Something Wrong With The Valves. Should I Remove...

So I Have A 1986 Bronco Ii It's 6 Cyl. 2.9 Liter Engine. I Have Tested 3 Times And Have Failed Each Time. I Have Improved Each Time Buy...

Ok, So Here Is The Situation. 11/1985 Nissan 720 Pickup, Z24 Carbureted Engine, Five Speed Manual Trans, 4 Wheel Drive With Federal...

High Idle Speed 1200-1300 Rpm. Hydrocarbons Too High. When Idle Is Raised Idle A Little Slow To Come Back Down.