Ford P Codes (Powertrain) P0400 - P0499

I Have A 1997 Ford Explorer With Trouble Codes P0430, P0171 & P00174. I Have Cleaned The Maf. Not Sure Where To Go From Here.kevin. When I...

Hi There, I Have A E350, 7.5 Engine. The Codes P1443 And Po411 Keep Coming Up. I Have Looked Over All The Valves And Hoses, Repaired A Air...

I Have A 97 Thunderbird 4.6 V8 With 94,000 Mi.on It That Have Po420 Po430 Po171 An Po174 Code It Idles Good But On Accelertion Hard From 40...

Vin 1fmdu32p2vua38455 Can Not Find Dpfe That Sends Code To Computer. All Suggestions Point To Replace Will Fix Problem. Does It Have One Or...

1997 Ford Expedition Our Check Engine Light Has Been On Since We Got The Car About Two Years Ago. We Went To Auto Zone And Code...

When The Car Is First Started After Sitting Overnight, The Idle Is Rough With A "chug" To The Engine. If I Do Not Wait Until The Idle...

How Do I Replace The Egr Valve Located At The Back Of The Engine Near The Firewall? Does The Intake Maniflod Need To Be Pulled?? The Manual...

There Are 4 O2 Sensors And I Am Trying To Id Which One, If Any, Is Defective. I Tested The Ones At The Exhaust Manifolds. The Front One (...

Computer Problem 1997 Ford Escort 4 Cyl 94255 Miles My Car Has Come Up With A Code Of P0443. I Have Replaced The Gas Cap But No...

What Would Cause Fault Code# P0402