Subscribe now

A COLLEAGUE recently bought a new VW car and was very pleased with it, until the engine suddenly stopped on a busy main road, with the dashboard showing the cryptic error message “EPC”. An emergency call brought a helpful service engineer, complete with laptop. He plugged it into a socket hidden down near the pedals, then waited while Windows crawled into life and diagnosed the fault.

EPC, it seems, stands for Electronic Pedal Control. Instead of a mechanical linkage between the accelerator pedal and the engine, the car has an electronic sensor that detects the pedal’s position and sends it…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Popular articles

Trending New Scientist articles

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop