P CODES (POWERTRAIN) P0400 - P0499

Hello 2 Days Ago, My Car's Check Engine Light Came Up. I Went To Autozone And Got My Car Scanned. The Code That Came Up Was P0497...

We Have Replaced The Fuel Cap And Have Changed One Purge Value And After A Couple Of Days The Check Engine Light Came Back On. So, We Put...

Hi, I Have The Vehicle Listed Above Mk3 2006 1.8 Petrol. I Had Po400 Code Had Egr Value Replaced And A 02-lambda Sensor Also Had A New Air...

We Replaced The Rocker Arms And Lifters Changed Oil And Filter It Still Has Knock In The Top End But Drives Fine. The Codes That Come Up Are...

Thank You So Much For Replying To My Question, Your Site Is Great. Anyhow, I Was Told That Probably It Wasn't My O2 Sensor But A...

I Just Got Done Fixing My Car And It Is Running Fine. But Recently I Got Po455 And Po441 Codes. I Checked The Gas Cap And It Looks Fine. I...

It Started Out With A Bad Gas Cap. Went To Auto Zone And They Sold Me The Wrong Cap That Wasnt Pressurized. I Drove For 3 Weeks Like That....

The Previous Owner Replaced The Catalytic Converter Last Year. What Can Cause A Catalytic Converter Below Threshold? I Checked The Voltage...

Have Dtc Codes P0431/p0421. Put New "cat" And New 02 Sensors. Cleared Codes. Car Drove Fine Before And After New Parts Were Put On....

We Have Replaced Fuses Temperature Sensor And Fan It's Got A P0480 Code.