rusEFI, Speeduino, MegaSquirt vs OEM Tuning: Which Path for Which Car

Open-source aftermarket ECUs (rusEFI, Speeduino, MegaSquirt) replace the OEM brain entirely. OEM tuning (Softechpro) modifies the factory fi

Renault, Dacia, Nissan DCM6 / DCM7: The PSA/Renault Tuning Guide

Delphi DCM6 and DCM7 ECUs in Renault, Dacia, Nissan diesel platforms — what's tunable, common DTC quirks, and the checksum specifics that ca

Mercedes CRD3 / CRD3.x: The Hardest Diesel ECU to Tune (and Why)

Mercedes CRD3 (Bosch / Continental dual-source) is the most secured diesel ECU of the 2020s. Bootloader signing, dual-checksum architecture,