CHEVROLET P CODES (POWERTRAIN) P0400 - P0499

Hi, My Check Engine Light Has Been On For A While, I Just Had It Checked Recently. It Has An Evap Code, Something About A Major Vacuum...

I Have A 2002 Chevy Cavalier With The Check Engine Light On. I Have Found Two Broken Wires On The Small Wireing Loom By The Fuel Tank. I...

I Have A 2004 Chevy Blazer And I Got A Trouble Code P0455. What Does This Mean?

2003 Chevy Impala 6 Cyl Automatic 90,000 Miles I Would Appreciate Any Help Or Advice. The Check Engine Light Just Came On In My Impala...

My Check Engine Light Came On On My 2003 Impala About 3-4 Months Ago. We Had It Scanned And Code P0401 Came Up. We Changed The Egr Valve...

Error Code P0401. I Have Cleaned The Inlet And Exhaust Tubes And Replaced The Egr Valve But The Light Comes Back On. I Used A Map Sensor...

Check Engine Light Is On Engine Code Po420 Catalyst System Efficiency Below Threshold ( Bank 1) What Does This Mean?

Computer Problem 1997 Chevy Cavalier 4 Cyl Front Wheel Drive Manual Read The Codes On The Car Shows Code Po420 I Have Checked The Egr...

I Have The Running Problem Resolved. We Had To Put A Brand New Distributor In It. Now It Is Showing A P0420 Code. But I Have Had My Cataylt...

After I Replace My Spark Plugs With Champion Platinums 7940 And Spark Plug Wirers. I Had An Issue With Bad Wire On Number 5 Cylinder, And...