Buick Trouble Codes

I Have A Po442 Small Leak In Evaporative Emission System. How Do I Check Cannester And Purge Valve? Or Do I Just Replace Both? If...

I Would Would Like To Know What The Diagnostic Code 1811 Means

My Check Engine Light Came On And, As I Tried To Accelerate - It Seemed To Not "catch". The Code That Showed Up Was P0300. They Thought...

Engine Mechanical Problem 2002 Buick Century 6 Cyl Front Wheel Drive Automatic 50 000 Miles These Are The Codes That Came Upp P0440-...

2002 Buick Lesabre 6 Cyl 58000 Miles My Service Engine Light Comes On One Day, Off The Next, Then On Again The Next Day, Etc. Thje...

As A 50's Something, Dad Can I Still Change The Plugs And Plug Wires On My Daughters 2002 Rendevous Myself ? I Don't Know If I Can Reach The...

I Got The Codes Read, And I Was Told To Google The Results, But No Luck! I Have Po128, Po300, And Po440. Thanks!

I Have An 01 Buick Century Custom 3.1 Or 3100. Code P0300 Comes Up And Engine Light Is On. I Have Changed The Wires, Plugs, Coil Packs...

Computer Problem 2001 Buick Lesabre 6 Cyl Two Wheel Drive Automatic Codes Indicated Catalytic Converter Failure. I Replaced The...

The "service Engine Soon" Indicator Came On And Stays On. I Went To Advance Auto And They Ran The Machine On It. It Came Back With...