Glossary / Engine

tuner

19 Episode Mentions

Too Afraid to Ask

A tuner is a gadget that changes how your car's computer runs the engine, so you can get more power or better fuel use.

Technical Definition

A tuner is an aftermarket device or software that modifies a vehicle's engine control unit (ECU) settings to alter performance characteristics such as power, torque, or fuel efficiency.

Hear It Discussed

"In other word cases though, you know, if you put on a tuner on a car that modifies the factory"
The Motor Medics Helping People to Repair Their Cars Over The Phone Under The Hood show 34:12

"one of the biggest things that we see from our product registration data is that people gravitate towards a tuner or a chip per increased fuel economy"
Ron Ananian, The Car Doctor - Classic Car Doctor - September 19, 2015 - Hour 1 Ron Ananian The Car Doctor 21:23

"So the Evo is still at the tuner. The Evo did 397 horsepower at the wheels,"
Dialed In Podcast: February 27th, 2026 Dialed In - Some Obsession Required 38:43