Knowledge Base

Q&A Sessions Notes from live Q&A sessions with Thomas — specific ECU questions answered, edge cases worked through, mini-cluster archives. Each topic maps to a concrete moment from a live session with traceable timestamps. Articles Evergreen explanations from Thomas — what an ECU actually does, why it does it, and how the math behind the maps works. Diesel and gasoline fundamentals, Ghidra and reverse engineering, calibration methodology.

Topic	Replies	Views	Activity
About the Knowledge Base category Knowledge Base	0	42	April 11, 2026
Why does my accelerator pedal stop working past 87% after a tune? Knowledge Base driver-wish , troubleshooting , edc17 , med17 , pedal , torque-limit , linearization , dead-pedal	1	118	July 29, 2026
How low can I set diesel idle — and why does every engine love 900 RPM? Knowledge Base diesel , troubleshooting , edc17 , md1 , idle , dual-mass-flywheel , resonance , vibration	0	85	July 24, 2026
Why did my DPF stop regenerating after EGR off — and what's the fix? Knowledge Base diesel , egr , dpf , regeneration , troubleshooting , edc17 , md1 , post-injection	0	116	July 23, 2026
Which TriCore registers are safe to modify, and which ones crash the ECU? Knowledge Base ghidra , reverse-engineering , troubleshooting , tricore , disassembly , registers , upper-context , lower-context , ecu-crash	0	112	July 13, 2026
Why does my TriCore disassembly show jumps into empty space and references to nowhere? Knowledge Base winols , ghidra , reverse-engineering , troubleshooting , med17 , tricore , compressed-readout , memory-layout , disassembly	0	78	July 7, 2026
Why does my generic scanner show P2454 but the dealer tool reads P148E for the same DPF sensor? Knowledge Base edc17 , diagnostics , edc17cp44 , dtc-codes , obd2 , dpf-sensor , fault-code-mismatch	0	91	July 6, 2026
How do I recover register-relative addresses on a Bosch MG1 (AURIX TC298) ASW-only dump in Ghidra? Q&A Sessions ghidra , reverse-engineering , q-and-a , bosch-mg1 , aurix , tc298 , vector-table , tricore , asw , siemens-heritage	0	127	June 13, 2026
MD1 Stage 1 diesel — what's the full map list in priority order? Q&A Sessions diesel , driver-wish , stage-1 , calibration , torque-monitoring , q-and-a , damos-accped-trqeng , md1 , map-list , vnt , damos-engprt-trqlim , damos-fmtc-trq2qbas , damos-pcr-rctlbas , damos-gearbx-trqdrive , damos-injvlv-tiet	0	191	June 10, 2026
EDC17 / MED17 boost-control — what to edit, where it lives, what breaks (Q&A 05-05-26 mini-cluster) Q&A Sessions winols , edc17 , bosch , med17 , q-and-a , wastegate , bmw , boost , protection , vw , pillar-cluster	0	138	June 5, 2026
Why do EDC17 boost maps look broken — and why did Bosch switch to mg/cycle in C64/C74? Q&A Sessions winols , edc17 , bosch , q-and-a , edc17c74 , edc17c41 , edc17c64 , boost-request , wgdc , bmw , factor-offset , combustion-chamber-charge	0	190	May 11, 2026
Where is the boost pressure limit on a VW MED17 — and how do I set 0.5 bar? Q&A Sessions winols , bosch , gasoline , med17 , q-and-a , boost-limit , vw-caddy , wastegate , pid-control , flow-conversion	0	134	May 11, 2026
Why aren't pre-injection maps showing up as 16×16 in EDC17 CP44 — and how do I find them? Q&A Sessions diesel , winols , edc17 , bosch , q-and-a , pre-injection , edc17cp44 , 8-bit-maps , map-search	0	134	May 9, 2026
Diesel Stage 1 — engineering-first methodology in 5 posts Q&A Sessions diesel , rail-pressure , stage-1 , edc17 , pre-injection	0	149	May 2, 2026
Q&A #1 with Thomas Pirowski — 9-post knowledge archive Q&A Sessions diesel , edc17 , q-and-a , knowledge-base , archive	0	84	May 2, 2026
How do I distinguish pre-injection from post-injection maps in EDC17? Q&A Sessions damos , edc17 , winols , md1 , map-structure , diesel , pre-injection , damos-injcrv-qpii1bas , q-and-a , post-injection , map-identification , damos-injcrv-qpoi	0	215	May 2, 2026
Is rail pressure +10% safe on diesel — which zones and why? Q&A Sessions winols , stage-1 , rail-pressure , edc17 , diesel , fueling , q-and-a , efficiency , damos-rail-psetpointbas , pump-tolerance , injection-time , damos-rail-psetpointmax	0	146	May 1, 2026
Why does my 21% diesel tuning strategy give only 10-15% real gain? Q&A Sessions diesel , stage-1 , winols , edc17 , afr , q-and-a , efficiency , damos-injcrv-phimi1bas , tuning-math , pre-injection , hardware-limits , damos-injcrv-qpii1bas , damos-rail-psetpointbas	0	129	April 30, 2026
Should I change SOI timing by degrees or percent on diesel? And which maps? Q&A Sessions diesel , winols , edc17 , q-and-a , soi-timing , injection-timing , italian-highway , efficiency , md1 , map-structure , damos-injcrv-phimi1bas	0	184	April 29, 2026
How does the full torque conversion path work on MED17 gasoline ECUs? Q&A Sessions driver-wish , winols , gasoline , med17 , damos-mondrvdema-tq , damos-drvdema-tqcludemaceped , q-and-a , torque-structure , torque-conversion , boost-calculation , load-map , pressure-vs-flow , mg1 , damos-mdmaxnmot , damos-kfmirl , damos-kfmiop	0	174	April 28, 2026
Why does my Peugeot HDI with DCM 6.2 ECU have 100+ duplicate maps? Q&A Sessions afr , winols , q-and-a , diesel , dcm62 , dcm6 , delphi , hdi , duplicate-maps , peugeot , citroen	0	80	April 27, 2026
How much should I adjust AirDesire on EDC17C74 for Stage 1? Q&A Sessions stage-1 , winols , afr , edc17 , q-and-a , diesel , edc17c74 , airdesire , euro-6 , turbocharger , damos-airctl-mdesbas	0	396	April 26, 2026
How do I compensate a 2.0 → 2.5 gasoline displacement swap on a DENSO ECU? Q&A Sessions winols , gasoline , q-and-a , denso , displacement-swap , maf-sensor , map-sensor , fueling , injector-calibration , egr-recirculation	0	66	April 25, 2026
Why won't my EDC17C46 start after changing the driver wish map? Q&A Sessions driver-wish , winols , troubleshooting , edc17 , torque-monitoring , diesel , edc17c46 , monitoring-maps , engine-wont-start , q-and-a , damos-accped-trqeng , damos-mofdrdem-rtrqeng , damos-mofloss-trqenglos , damos-mofloss-rtrqenglos , damos-mondrvdema-tq , damos-drvdema-tqcludemaceped	1	423	April 23, 2026
How to Trace a Function in Ghidra — The Practical Workflow Articles ghidra , reverse-engineering , workflow	0	143	March 25, 2026
The Plausibility Check — Why the ECU Catches Your Changes Articles plausibility , diagnostics , ecu-logic	0	56	March 24, 2026
How Data Flows Inside ECU Firmware — From Sensor to Actuator Articles ghidra , firmware , ecu-architecture	0	52	March 23, 2026
Memory Types in ECU Firmware — Flash vs RAM vs Scratch Articles reverse-engineering , firmware , memory	0	65	March 23, 2026
Torque Monitoring in Gasoline ECU (MED17/MG1) — Why It Exists Articles gasoline , torque-monitoring , med17	0	105	March 20, 2026
Understanding Conversion Factors — How Raw Hex Becomes Real Units Articles winols , calibration , conversion-factors	0	61	March 20, 2026