P CODES (POWERTRAIN) P0400 - P0499

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...

I Scanned My Truck The Other Day At Shucks Due To Check Engine Light Being On And Got P0430, Catalytic System Efficiancy Below Threshold...

The Air Pump Works I Changed The Diverter Valve Cleaned The Metal Tube That Runs From The Diverter Valve To The Manifold Cleaned The Opening...

I Have A 1997 Camry V6.I Had To Replace The Exhaust Manifold Pipe. On This Car The Converter Is Incorporated Into The Exhaust Manifold Pipe...

I Have A 1999 Chrysler Cirrus With This Code P0420 – Catalyst System Efficiency Below Threshold (bank 1) Sr. With This Code Analysis What...

I Have A 03 Cadillac Deville Base Sedan. My Car Had Trouble Codes P0101 And P0410. I Got A New Mass Air Flow Sensor For The P0101 Code About...

Report Says Large Leak (0.80") Detected Motor Is Running Fine Other Than Code. Also, Says Multiple Misfire On One And Four Which I...