P CODES (POWERTRAIN) P0400 - P0499

My Beetle Is A Tdi, Not Sure If That Matters. I Bought This Car Used. When I First Bought It, The Test Drive Went Good Runs Great. I Drove...

I Get The Following Codes: P0496 And P0171. Once Both Came One, Other Times Only One Will Come On. The Last 3 Times I Filled The Car...

How Can I Fix This, Is It Possible Do Fix It Own My Own, Or Should I Bring It To A Dealer, I Have Some Knowledge, I Can Usaully Fix...

When I Bought My Car I Was Never Able To Put More Than One To Three Gallons In It Without The Gas Pump Clicking Off. So, When I Go To The...

My Car Is Running Fine But The "check Engine" Light, The Vsc And Trac Control Light All Lit Up Back In The Winter Of 2015. My Husband Has...

Engine Idling Rough Both Po 449 And Po 446 Code Are Coming Up On The Diagnostic Check And When I Open The Gas Tank There's A Lot Of...

Good Day, My Car Has Chassis Number Of (2fmdk36c17ba99379) I Scanned The Car And I Got An Error Of P0446, Please, What Is The...

I Have Changed The Secondary Air Pump As The Code Says And I Still Get The Same Message. I Have Checked All Around For Leaks And Cannot Find...

Im Getting This Code And Would Like To Know How To Diagnose Exactly Whats Wrong With It With Out Buying Un Nesscary Parts. Thank For Time...

I Bought My Truck Two Months Ago At A Toyota Dealership. Check Engine Light Came On Went To The Dealership They Said They Did Not Have The...