P0171 code explained: investigating a lean-system result
Learn how fuel-trim evidence, air leaks and sensor context can help investigate P0171 without replacing parts blindly.
Category Diagnostics
Five Steps for Independent Workshops Before erWin Licence Expires
Independent workshops should register early for the new erWin portal to avoid disruptions.
P0420 code explained: catalyst-efficiency evidence without guesswork
Understand what P0420 records, which evidence matters and why the code alone does not condemn a catalytic converter.
2026 Ford Mustang Dark Horse SC: A Supercharged Track Machine
Ford's Dark Horse SC is a high-performance Mustang with 795 hp and Track Pack upgrades.
Coles Automotive Expands After 40 Years in Business
Coles Automotive, a Land Rover specialist, is expanding to a new site with 10 ramps and an EV centre.
Wrong Fuel Can Trigger EPC Light and Limp Mode in VW Group Cars
Opening the fuel cap and waiting can resolve EPC light and limp mode issues caused by fuel vapour pressure.
HALS Market to Reach $2.49 Billion by 2031, Report Says
HALS market set to reach $2.49 billion by 2031, driven by demand for UV protection in automotive and construction materials.
TWR Unveils Supercat: A Modern Restomod of Classic Jaguar XJS
TWR's Supercat is a high-performance restomod of the Jaguar XJS, featuring cutting-edge technology and design.
Understanding the Basics of OBD-II Scanners: A Practical Guide
An OBD-II scanner is a powerful tool for diagnosing issues with your vehicle. This article explores the essential steps for using an OBD-II scanner, as demonstrated in the 1A Auto video, to ensure you connect safely, record codes and context, preserve freeze-frame information, and use the results as evidence rather than a definitive parts verdict.
Comma Introduces myComma+ for Workshop Rewards
myComma+ provides rewards for independent workshops that purchase Comma oil and lubricants.