Practical guides on reading, recovering, cloning and modifying engine, gearbox and body control units: which file to use, how to read the label, how to write safely.
A Transit 2.2 TDCi rolls in running rough at idle, pulling white-grey smoke on cold start that clears after a minute, and the customer's noticed the oil level creeping up between services. That last symptom is the giveaway: fuel dilution from a leaking injector, and it's worth catching…
A Toyota Hilux 2.4 D-4D comes in with the DPF warning light on solid, power down on hills, and the owner saying the regeneration drive the…
KESS V2 and KTAG come from the same manufacturer (Alientech) and are often bought together, but they do different jobs. KESS talks to the ECU through…
A common-rail diesel limps in, power down, P0087 and P0193 both stored. The customer wants to know if it's the pump before you've even opened the…
It's 4pm on a Friday, the customer's car is up on the ramp with the ECU out, and the file that came back doesn't match what's…
Two customers bring the same model BMW 320d (N47) in for a before/after dyno pull after a remap, a week apart. The power figures come out…
A 1.6 HDi limps in with a rough idle, a lean fault code, and a customer who's already replaced the MAF sensor on a hunch. Twenty…
A Qashqai 1.5 dCi comes in with the DPF light on solid, an amber warning that's been ignored for three weeks, and a driver who says…
A Fiat Doblo 1.3 Multijet comes in running rough, one cylinder misfiring under load, and the customer mentions it has been getting worse for a couple…
A 2.0 TDI comes in with the light on and noticeably flat under load, P0299 stored. The owner's convinced it's the turbo. Sometimes it is, but…
