FORD P CODES (POWERTRAIN) P0400 - P0499

How Do I Repair A Code From My Obd-2 /code 420 Catalyst System Efficiency Below Threshold ( Bank 1). Spark Plug, Sensor, Or Is It My Cat...

Check Engine Lite Came It Was Anevap Code

I Recently Posted A Questioned Concerning Code # Po446, It Should Have Read P0443. I Received A Reply From A "rasmatas" I Believe...

Check Engine Light Came On. Test At Parts Store Gave Code Of P0455. Checked Canister And Vacuum Lines - Ok. After Last Fill Up I Parked...

What Is The Normal Repair For This Malfunction?

My Truck Has Been Giving Me Problems With This Code. It’s An Egr Valve. I Changed Out The Part It Says. I Cleaned Out The Throttle Body To...

Ive Had My Taurus For Almost A Year, Never Had A Problem With It. Months Ago The Check Engine Light Came On After Pumping Gas With The Car...

Engine Mechanical Problem 2004 Ford Focus 4 Cyl Front Wheel Drive Manual What Could Be The Problem With This?What May Be The Repair?

97 F150 Has Code 402. I Replaced The Valve And Checked For Plugged Lines And The Code Comes Back. The Vehicle Runs Fine.

Tried Cleaning Both Idle Control Valve & Egr Valve As Y Ou Suggested. Did Not Help, Both Were Fairly Clean And Functional. Also If Anyone...