Guides
Understand the technical options before you enquire.
Clear, practical answers to common questions about software, diagnostics and control units. No invented power figures or blanket repair promises.
DPF cleaning or DPF OFF? A clear guide to causes, fault codes, diagnostics, regeneration and cleaning, with road vehicles in mind.
GuidesStage 1, Stage 2 and Stage 3 explained clearlyStage 1, Stage 2 and Stage 3 explained: software and hardware differences, technical requirements, risks and questions to ask before tuning.
GuidesEngine light back on: why clearing codes is not a repairIf the light returns, the vehicle has detected the problem again. Clearing removes the record, not the cause. What to check before replacing parts.
GuidesPre-tuning assessment: the checklist before software changesWhat should be checked before chiptuning or Stage 1? A checklist covering vehicle condition, faults, engine, transmission, hardware, data and approval.
GuidesReading an ECU: OBD, bench and boot comparedOBD, bench and boot ECU reading explained: connections, available data, ECU removal, selection criteria, risks and questions to ask.
GuidesAssessing ECU and TCU together: how engine and transmission software interactHow do engine and transmission control units work together? Torque models, shift logic, diagnostics and checks before ECU or TCU changes.
GuidesChoosing the best chiptuner in Stuttgart: what really mattersHow do you identify a tuning workshop equipped for performance models, supercars and bespoke high-performance builds? Ten criteria you can check.
GuidesDisable EGR or repair it? The technical and legal contextThinking of switching off or deleting EGR? What recirculation does, why soot builds up, the legal consequences of deactivation and what actually fixes the fault.
GuidesAdBlue faults: messages, codes, countdowns and restart preventionAdBlue warning despite refilling? Understand messages, remaining range, countdowns, restart prevention and the relationship with SCR and DPF.