Unfortunately, FIXD is not guaranteed to be compatible with your vehicle.
Mechanics charge $75-$150 just to diagnose a check engine light. Before you waste time & money, let our FIXD car experts show you…
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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 code. That 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.
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.
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:
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.
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.