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Mechanics charge $75-$150 just to diagnose a check engine light. Before you waste time & money, let our FIXD car experts show you…

Everything you need to diagnose and fix your P0420 code today

...for just $4.99.

PLUS, you’ll get 2 FREE bonuses when you order today!

Your guide will be emailed to you after you complete checkout

For any questions about the P0420 Guide email alex@fixdapp.com

So you’ve discovered you’ve got a P0420 codeThat could mean anything from a faulty oxygen sensor to a bad catalytic converter. We do NOT recommend continuing to drive with this code, unless you like the idea of replacing your engine.

Now for some GOOD news

Everything you need to diagnose and fix P0420 with confidence is at your fingertips inside our easy-to-follow 15-page guide! Whether you’re mechanically inclined or know nothing about cars, this guide was created by one of our car experts, Jeffrey Ross (a former ASE Certified mechanic and lifelong gearhead), to help you get the job done – without all the headaches and guesswork.

What's inside?

  • How you can fix code P0420 as quickly, easily, and affordably as possible – even if you don’t know the first thing about fixing cars…
  • 4 critical steps to accurately diagnose error code P0420 – without these steps, you waste a ton of time and money on trial and error…
  • 2 very common diagnosis mistakes that could cost you a lot of money (and how to avoid them)…
  • Faulty O2 sensor? This is one of the most common causes of P0420. We’ll show you exactly how to test yours to find out if it’s the culprit… AND show you exactly how to replace it if it’s the problem…
  • One simple potential fix that could have your car back to 100% with very little time or money…
  • Did you know damaged wiring could be triggering your check engine light? Find out where to look for burned, smashed, or exposed wiring… 
  • Why it’s critical to make sure that no other codes are present along with P0420, and how to find out if there are other codes you need to address first…
  • Exhaust leaks are another possible cause of your code… discover what to look and listen for and how to fix an exhaust leak…
  • FINALLY: You’ll discover how to CLEAR YOUR CODE using the FIXD Sensor or other OBD2 device so that you can make sure your repairs worked and get back on the road!
  • And much, much more – all for less than a fast-food lunch combo!

PLUS! Your exclusive 2 free bonuses...

1. The Ultimate Guide to Car Maintenance for Beginners

Car maintenance is KEY to keeping your car reliable and avoiding future check engine lights. But let’s face it, keeping up with your car’s maintenance schedule can be overwhelming. That’s why we created this simple guide that will show you:

  • 6 tips to help you avoid high prices at the pump and save on gas
  • What items you should check on you car monthly, quarterly, annually, and long-term to prevent costly repairs
  • Signs you car needs routine maintenance versus repairs
  • Which common maintenance tasks you should do yourself vs take to a shop
  • How much to budget each month for regular vehicle maintenance
  • And much, much more… all inside this FREE guide!

2. Amateur DIY Online Community

Fixing cars is more fun with friends. And when you’ve got questions (even if it’s 2am on a Saturday night), it’s nice to know there’s a place you can go for answers.

When you purchase today, you’ll also be getting an exclusive invitation to join our private Facebook group where amateur DIYers go for support, absolutely free.

This guide is worth every penny - guaranteed

At FIXD, our mission is to make car ownership as simple, easy, and affordable as possible. That’s why we created this step-by-step guide. You’ll discover everything you need to know to accurately diagnose and fix your P0420 code yourself. In fact, we’re so confident that this guide will help you fix your car that we’re backing it up with a no questions asked, RISK-FREE money back guarantee: Not satisfied with the contents of this guide after your purchase? Contact us for a full, prompt, and courteous refund.

Ready to fix P0420?

Grab your guide today and get going!