P CODES (POWERTRAIN) P0400 - P0499

Engine Mechanical Problem 2005 Chrysler Pacifica 6 Cyl Front Wheel Drive Automatic 92k Miles What Could Possibly Be Wrong With A Code...

2005 Kia Amanti. I Had Codes P0401, P0174 And P0171. I Did Change Mass Air Flow Sensor, Egr Vacuum Switch, Egr Valve, Clean The Egr Tube...

I Got A P0430 Code And I Used My Scanner To See What Was Going On And My O2 Sensor Labeled O2s12 Shows A Very Very Low Reading At Idle...

Codes P2196 And P2198 And P0401 And P0300 (all Intermittently). I've Cleaned The Carbon Out Of The Egr Valve. I've Checked Egr...

2001 Dodge Intrepid 6 Cyl Front Wheel Drive Automatic I Keep Getting A Code Of P0401 Replaced The Egr Vavle But Code Keeps Coming Back

Ihave Replaced The Egr Valve And Continue To Get A Code P0401

I Am Getting P0420 On My Vehicle Listed Above Base Model With 154,000 Km (95,691 Miles). Replaced Spark Plugs And O2 Censor. Used Fuel...

I Have A 2003 Chevy Impala With A 3.8 V^. Back A Couple Of Months Ago My Check Engine Light Came On And There Was A Code Of Po420 So I Went...

Hello I Have A Mercury Mystique With 144,000 Miles. I Purchased It Used In June Of 2009 So I Don't Know What Work Has Been Done On It(if Any...

I Found The Ground Switching Wire At The Plug Right By The Vent Solenoid Was Broken, I Made A Solder Repair, Tested The Plug And Now Have...