FIXD's Step By Step Guide To Diagnosing And Fixing P0420 Yourself

Get The Complete P0420 DIY Guide When You Join FIXD Premium For FREE

What Do I Get As A FIXD Premium Member?

  1. The full 15 page guide to fixing P0420
  2. The most likely repair and cost for your car
  3. Step by step guide on how to clear your check engine light
  4. Free support from our certified mechanics if you have any questions
  5. A FIXD Sensor to help you diagnose and fix your problem

This usually costs $120, but car problems are expensive enough. To show how committed we are to helping you fix your car we’re giving you full membership to FIXD Premium for 14 days for FREE. If you don’t like it for any reason, you can cancel your membership and won’t be charged a penny.

What's In The Complete P0420 Guide?

  • 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!
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See why millions of drivers love FIXD

What's included?

Your guide will be emailed to you after you complete checkout. You will have access to the FIXD Mechanic Hotline and all other features of FIXD Premium immediately in the FIXD app through your 14 day trial to FIXD Premium. After the first 14 days, FIXD Premium costs $5.83/month billed annually. You can cancel for a full refund up to 30 days after your trial has ended by contacting FIXD support.

Access our data network to see the most likely fix for your check engine light code and how much it should cost so you don’t get ripped off.

Whether you want someone to walk you through DIY repairs, help you schedule service, or just explain what’s going on with your car in simple terms, our FIXD Mechanics have you covered. Call Monday-Friday, 8am to 8pm EST, for trusted advice you can count on.

 

 

Buying used? Use your FIXD Sensor + Premium to scan any car for hidden issues and view the complete history of any vehicle you’re interested in, including its fair market value, previous accidents, mileage, & more.

With Issue Forecast, you can find out what issues your vehicle is most likely to encounter in the future so that you can plan ahead and take steps to avoid them with proper maintenance.

FIXD Premium includes our Emissions Precheck feature so that you can test emissions at home and make sure you’ll pass before wasting time and money at a testing facility.

As part of your risk-free, no-cost 14-day trial, you’ll also receive a FIXD Sensor. This car scan tool connects to your  vehicle’s OBD2 port to read and decode check engine lights. The following features are included free with your FIXD Sensor:

    • Translate 7000+ check engine codes into simple terms on your phone
    • Get accurate cost estimates for your vehicle for any common repairs
    • Get maintenance alerts that tell you when it’s time for an oil change, tire rotation, & more
    • Find trustworthy, RepairPal Certified mechanics near you with the Shop Finder Tool
    • See how severe your issue is so you know if it’s safe to drive
    • Access our library of how-to content so you can DIY and save $$$
    • Use the Manual Diagnostic Tool to find out what’s causing those funny noises under the hood
    • And more for FREE with your FIXD Sensor and 14-day trial

How does FIXD work?

Step 1: Plug the FIXD Sensor into your car's OBD2 port

Plug in the sensor

FIXD plugs into your car’s OBD2 port (every car made since 1996 has one), usually located under the steering wheel.

Step 2: Download the app and start your car to connect to the FIXD sensor

Start your engine

Download the FIXD app and start your engine. The FIXD Sensor easily connects to your smartphone via Bluetooth. 

Step 3: Tap the FIXD app to scan your car for problems and read over 7000 engine codes in plain English

Tap to scan!

Hit the “scan” button on your phone to instantly decode your check engine light and access all Premium features!

FIXD is compatible with all gas-powered vehicles manufactured in 1996 or newer, and all diesel engines 2008 or newer.

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!

Frequently Asked Questions

Honestly? It’s the best deal we’ve ever run in our 8-year history and we’re not sure when we’ll take it down. With your P0420 Guide, you get to take the FIXD Sensor AND FIXD Premium for a risk-free test drive for the next 14 days for \$0.99. You don’t even have to pay shipping on the sensor we’re going to send you as part of your free trial! There’s literally nothing to lose, so what are you waiting for? Let us help you simplify car care.

Your 100% risk-free trial costs you nothing and includes 1 FIXD Sensor and a 14-day trial to FIXD Premium. You’ll get to take all the standard features of our free app for a test drive, plus the following Premium features!

  • FIXD Mechanic Hotline: Call anytime for second opinions, at-home repairs, and more
  • Confirmed Fix & Cost: See the most likely fix for your check engine light and how much it should cost
  • Issue Forecast: Predict future problems and avoid costly repairs down the road
  • Vehicle History Report: Get the complete history of any vehicle before you buy used. See accident history, scan for check engine lights, see fair market value, and more
  • Emissions PreCheck: Make sure you’ll pass emissions testing the first time with this easy at-home test exclusive to FIXD Premium

Click here to get your P0420 Guide and start your trial with FREE FIXD Sensor >>

After your risk-free 14-day trial, you can keep the sensor (normally $59) at no charge and keep on crushing car care with easy check engine diagnostics, access to our FIXD Mechanics, repair cost estimates, and more. We’ll bill you for the yearly subscription at $69.99 so you get uninterrupted access to FIXD + FIXD Premium.

Let’s not get ahead of ourselves, but we’re confident you’re going to love your new FIXD Sensor and Premium features. That’s why we’re giving away free test drives! That being said, we understand if it’s not right for you. So, if after the 14 days you don’t wish to continue, all you have to do is mail back your FIXD Sensor to headquarters here in Atlanta and you won’t be charged a dime.