P CODES (POWERTRAIN) P0400 - P0499

Hello, After P0440 Code Started Showing We Replaced Gas Cap And Fuel Filler Neck, Which Was Badly Corroded, And Fuel Pump. Code Was...

About Three Months Ago A P0430 Code Popped Up On My Check Engine Light. The Bank 2 Catalytic Converter Was Replaced Also All Four Sensors....

1998 Chevrolet Monte Carlo P0401

Please Explain To Me What Might Be The Reason For The "check Engine" Light. Thanks! -freeze Frame Data- (from Odb2 Scanner) Fuel...

I Recently Replaced The Radiator, Hoses, Thermostat, Plugs, And Wires. Car Was Ran A Few Times With Misfiring Plug, Now I Get The Cel...

Hey, Guys I Replaced The Trans. Bearings, Took Car For A Ride, The Engine Light Came On, I Pulled The Code P0420 Cat. Eff. Below Threshold...

Hi, I Have Been Battling This P0420 Code On My Car (gt Model) For A While Now And Was Hoping Someone Would Have Some More Insight On The...

Dtc P0480 Show I Check Fuse Ok Relay Ok Coolant Fan Work Only Low Speed Don't Work Still High Speed If I'm Disconnect De High Relay...

Changed Fuel Pump Assembly With New One Today. Now Getting A Po460 Code And Low Fuel Light On. Any Suggestions To Try Before Dropping Tank...

This Morning P0301 Code Pop Up In The Pending Code Category. I Have P0421 Code Which Is Related To Catalyst 1 Efficiency Below Threshold...