Are you looking to improve your knowledge base or need help in fixing a complex problem? Interested in fixing your own car? What does the warning light mean? How can I fix it? Do you want me to help you through fixing ever increasingly complex car computer systems? Looking for a UK mechanic working on UK based vehicles? Find the best hints and tips here for repairing your car faster and correctly. From basic tests to advanced level electrical and diagnostic repair, you are in the right place!

My name is Richard aka RMAutodiag, I started my mechanics career in 2002. My passion is vehicle diagnostics and in making sure customers don’t have to spend unnecessary money or time searching for diagnostic faults. I can help answer your questions on vehicle repair from using a test light or multimeter, to scan tools and oscilloscopes.

Before you take on any car repairs check out my hands-on videos for the best advice on engine lights, ABS lights, airbag lights and many more car issues.