Definition
Also called launch control in drag applications.
Requires ECU or standalone support and safe exhaust/ignition strategy.
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Electronics
Two-Step
A rev limiter used at launch to build boost and hold rpm on the starting line.
Related terms
- ECUEngine control unit — the computer managing fuel, ignition, and emissions parame…
- OBD-IIOn-board diagnostics standard providing standardized trouble codes and sensor da…
- MAP SensorManifold absolute pressure sensor reporting boost or vacuum to the ECU.
- MAF SensorMass airflow sensor measuring incoming air mass for fuel delivery calculations.
- Knock SensorA sensor detecting engine knock (detonation) so the ECU can retard timing.
- CAN BusController area network — the digital communication backbone linking vehicle mod…
Category: Electronics · Updated August 31, 2026