Greg wiped his hands. “I can fix it, Leila. But I need the right diagnostic tool: .”

“Greg, please,” Leila begged. “That’s my livelihood.”

He plugged a generic but compatible OBD2-to-USB cable (€35 on Amazon) into Leila’s Clio. The software identified the ECU instantly. The fault code? – Injector circuit, cylinder 3.