Glossary / Electrical

ECU

87 Episode Mentions

Too Afraid to Ask

It’s the small computer inside the car that tells the engine how to run.

Technical Definition

ECU stands for Engine Control Unit, the car’s computer that manages engine functions such as fuel injection and ignition timing.

Hear It Discussed

"Reprogram the ECU because at the time attack car it needs bursts of all of the energy for a lap"
The Ideal SEMA Build, An Impossible Debate, Confidently Buying Sight Unseen | Episode 1,020 Everyday Driver Car Debate 14:24

"Mark III Golfs have like this weird heater fuse thing that heats the catalytic converter and it hangs on the bottom of the car. And if you short it, it fries the ECU."
Inside the $2M 24k Gold Iron Man Porsche with James Pumphrey Spike's Car Radio 16:01

"[584.6s] Yeah, yeah. [584.6s] You need. [585.6s] He said your ECU is bad. [587.8s] Which, yeah, exactly."
#2633: Hacker Heaven The Best of Car Talk 09:44