P CODES (POWERTRAIN) P0400 - P0499

1999 Ford Mustang 6 Cyl Two Wheel Drive Manual 99k Miles I Keep Getting The Code P0401 On My Mustang, Egr Code. I Replaced The Dpef...

Dear Sirs, I Have A 98 Saturn With Check Engine Code P0466 (high Voltage With Purge System). Does This Have Something To Do With A...

Would Like The Information On The Criteria On Which P0431 Will Clear On Its Own (example: Three Drive Cycle With No Repeat Failures Will...

What Can I Expect To Repair With These Codes. I Think There Related Too Fuel. Any Help Would Be Great Thanks

What Is The Sensor Circuit B That Code P0407 Is Talking About? I Also Have A Random Hesitation On Acceleration And Innermitant Pop In Th...

I Had A Diagnostic Ran And The Following Code P0442 Came Up. I Noticed I Am Missing A Hose (image Shown) But I Have Yet To Find Out Where...

What Is The Next Step When You Get Trouble Code "p0456 Evap Emission Control System Leak Very Small"? Is That A Loose Gas Cap Issue, Or Is...

I Had A Code Po410. Where Is The Location Of The Secondary Air Injection Pump On My 2004 Gmc Envoy With The 4.2l Inline 6? Thank You

Engine Performance Problem 2000 Pontiac Grand Prix 6 Cyl Front Wheel Drive Automatic 2000 Pontiac Gtp (3.8 Supercharged) Fault Codes...

Got P0420 And P0430 Codes. Mechanic Replaced All 4 Sensors And Clean Out Catalytic Converter. Check Engine Light Returned. A Different...