FROM THE WORKSHOP · REAL CASES
They brought the fault.
We found the plot twist.
Warning lights, flat batteries, dead ECUs, keyless keys that forgot their one job—and the evidence that helped each fault make sense.
Mercedes P0401 returned after an EGR replacement and DPF clean
A real Mercedes CLA 220 d inspection showing why a recurring P0401 EGR flow fault needed actuation testing—not another automatic parts order.
See what changed everythingPeugeot 3008 dealer repair: what improved—and what remained
A documented pre- and post-repair diagnostic comparison showing why unresolved Peugeot diesel-additive faults still needed proper testing.
See what changed everythingFord Focus keyless fault: what key recording fixed—and what it did not
A 2014 Ford Focus estate where re-recording the keys restored remote locking, but did not yet restore keyless starting.
See what changed everythingVauxhall Insignia carbon clean: what was observed—and what it cannot prove
A measured account of a Vauxhall Insignia 2.0-litre treatment, separating recorded observations from promises a cleaning service cannot make.
See what changed everythingVW Scirocco ECU fault: the tiny metal fragment behind the chaos
A confirmed 2010 VW Scirocco TFSI repair involving random warnings, power loss and gearbox behaviour after recent ECU tuning work.
See what changed everythingVauxhall Adam ECU no communication: proving where the fault stopped
A 2014 Vauxhall Adam recovered with no ECU communication, an unstable instrument cluster and a non-start condition.
See what changed everythingThe Transit that drowned twice: SID208 ECU water ingress
A Ford Transit 2.2 SID208 case where loom and ECU water damage were repaired—then weekly pressure washing recreated the same failure.
See what changed everythingHonda Accord battery flat overnight: the electrical gremlin that wasn’t
A Honda Accord 2.2 arrived after an alternator replacement with a suspected module or wiring fault. Testing proved the 15-year-old battery could no longer hold its charge.
See what changed everythingFord Transit independent inspection: seven faults, one dangerous finding
A 2012 Ford Transit inspected shortly after purchase, with a dangerous wheel-bearing finding, likely MOT-failure defects and diagnostic evidence recorded in an independent report.
See what changed everything