P CODES (POWERTRAIN) P0400 - P0499 P0401

I Have A 2002 Mustang, It Passed Smog Last April.I.M Selling The Car And Need To Smog.I Took It In And Failed Smog Code P0401. Have...

P0401 Egr Insufficient Flow I Am Getting The Above Code On My Car. I Know What Needs To Be Done, And Would Prefer To Do It Myself, But...

My 01 Caravan (3.3l 6 Cyl) Had Error Codes P0442 And 0455. Smoke Test Showed Fuel Filler Neck To Be Leaking. I Had That Replaced And Now I...

I Have A 1998 Dodge Neon Sohc P0401 And Wanted To Know How Likely It Is That It Is The Egr Valve

On The V6 Engine In My 1998 Avalon I Recieved Error Code Po401 Several Months Ago, Based On Service Manual Repair Procedures, I Evauated...

Hi I Have An 1999 Acura 3.2 Tl And I Have Recieved The Code Po401 And I Know What It Is I Was Just Wondering If You Have The Repair...

Service Engine Light On. Code P0401 Low Egr Flow. I Tried A Different Valve From The Junk Yard (i Cleaned The Origional And The Junk Yard...

Engine Performance Problem 1998 Saturn Sl2 4 Cyl Front Wheel Drive Automatic Got The Code P0401, Which Is For Egr Insufficient Flow....

I Have A '98 Lumina With A 3.1 V6. For The Last 6 Months The Check Engine Light Has Been On. When Scanned Gives Code P0401 - Egr-...

I Keep Getting The Egr Flow Is Insufficient. I Replaced The Egr Valve, Blew Out The Line And Sprayed Carb Cleaner In It. The Code Keeps...