Jack Corbett

Independent specialist Baz Meredith provides a comprehensive guide to addressing heavily blocked DPFs, underscoring why technicians must focus on fixing root-cause emissions faults instead of opting for DPF deletion. It highlights the importance of rigorous component verification after Baz encountered an immediate failure with a new aftermarket EGR valve.

Simply Diagnostics provides a masterclass in systematic troubleshooting for intermittent remote locking and hands-free starting failures on a 2016 Citroen C4 Picasso. This example highlights the critical importance of verifying correct component variants, even when diagnostic trouble codes suggest otherwise. Steve Scott demonstrates why relying on OEM technical data and expert collaboration is essential when working with salvaged or unverified parts.

It’s a baptism by fire for the team at Shifting Metal as they tackle a neglected 2014 Mercedes-Benz CLA45 AMG bought from BCA. Despite showing only 62,000 miles, this 2.0-litre saloon arrived with a host of headaches, including a noisy engine rattle and a gearbox stuck in first gear. The project hit an expensive snag before even reaching the workshop: a double tyre blowout on the recovery trailer added a quick £495 to the bill.