Map Modifications

Map modifications are the essence of tuning.

Which maps are changed in a tuning file?

Diesel tuning file map modifications:

Common map modifications for diesel engine control unit:

  • Throttle response
  • Smoke limiters
  • Temperature limiters
  • Lambda
  • Torque limiters
  • Start of injection
  • Injection duration
  • Newton meter conversion
  • Turbo pressure
  • Turbo system duty cycle
  • Turbo limiters
  • Rail pressure
  • Rail pressure limiters
  • Gearbox limiters
  • Gearbox shift time (optional)
  • EGR function delete (optional)
  • DPF function delete (optional)
  • Speed limiter (optional)

Petrol tuning file map modifications:

Common maps modifications for petrol engine control unit:

  • Throttle response
  • Temperature limiters
  • Lambda request
  • Lambda component protection
  • Torque limiters
  • Ignition timing
  • Camshaft timing
  • Requested air load
  • Wastegate duty cycle
  • Wastegate duty cycle linearisation
  • Wastegate duty cycle limit
  • Max air load
  • Rail pressure
  • Rail pressure limiters
  • Gearbox limiters
  • Gearbox shift time (optional)
  • Knock threshold
  • Lambda/O2 sensor delete (optional)
  • Speed limiter
  • MAF scaling (Stage 3)
  • Injector sizing (Stage 3)
  • Max air load
  • Rail pressure
  • Rail pressure limiters
  • Gearbox limiters
  • Gearbox shift time (optional)
  • Knock threshold
  • Lambda/O2 sensor delete (optional)
  • Speed limiter (optional)
  • MAF scaling (Stage 3)
  • Injector sizing (Stage 3)