📟 Common fault codes: what do the numbers mean?

From: Haynes - Wednesday Jul 19,2023 11:30 am

Our latest Tips & Tutorials articles

Our mission here at Haynes is to help motoring enthusiasts repair and maintain vehicles, but we also love to inspire new DIYers to pick up some basic tools. That’s why we have our YouTube channel, packed with repair videos created by our trusted experts, and we also post tips, tutorials and Home Mechanic Guides on our website for anyone to use, free of charge. Here are the latest updates:

What does a fault code mean?

If you’ve bought one of our AutoFix products, you probably already use a fault-code reader (read our test to find the best here). These cheap-to-buy devices plug into your car’s OBD II socket and read the ECU to see if any codes have been stored. But what do the numbers mean? Tap on the link to the left/above for our library of popular fault codes and how to fix the cause.

Goodwood Festival of Speed

Did you catch any of this year’s FoS? We hosted the livestream at Haynes.com and there was plenty of action on the famous hill climb, despite Saturday’s proceedings being cancelled because of high winds. Tap on this link to watch the 10 fastest cars over the long weekend.

E-fuels: will new petrol and diesel cars live on?

You won't be able to buy a new petrol or diesel-engined car after 2030 and hybrids will disappear from showrooms in 2035, but could e-fuels reverse the ban? This blog explains what e-fuels are, where they're being approved for use and where the UK government stands on the issue.

READ MORE FREE TIPS & TUTORIALS HERE

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