P CODES (POWERTRAIN) P0400 - P0499

I've Had This Code Come Up Three Times Since I've Had The Car Which Has Been About 5 Months. When I Got It The Light Was On. After Replacing...

Good Day To You! I Understand The Diagnostic Code P0400 Refers To A Faulty Egr Valve. I Am Fully Prepared To Replace It, Have A Great...

Hope Somebody Can Help Me With This One. The Check Engine Light Went On 3 Days After I Bought My Car From A Toyota Dealer. I Took It To The...

Hey Guys. Love The Site. I Have A 2002 Toyota Camry 4cyl. Le With A Check Engine Light On Most Of The Time. I Was Able To Retain A Fault...

Mil On, Went To Check For Code, It Show P0421, Last Year Replaced Cat. Coil Packs, And Cables +sparks, Found Different Code And I...

Code Po449 Can't Seem To Get Rid Of This Code. Have Done And Replaced All Part's That Are The Proable Causes. Purge Valve....

2007 Toyota Tacoma V/6 Auto Trans. Eng. Trouble Code Po456. Engine Starts And Runs Perfect.37000 Miles. Gas Cap Has Been Tested.

I Have A P0452 Code Popping Up On My Blazer. Autozone Code Reader Gave Me These Details: Definition: Fuel Tank Pressure Sensor...

2002 Ford Crown Victoria Pi. Code P0402. Have Replaced Egr Valve, Dpfe And Evp. Checked Dpfe Hoses And Blew A Bit Of Air Through The Lines...

Diagnostic Detects P0402 Code. Which Egr Part Should Be Replaced?