modifiche-tuning
MAF sensor delete (speed density)
A MAF delete removes reliance on the mass airflow sensor, switching to a speed-density strategy.
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Modifiche Tuning
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Hardcut rev limiter
A hardcut limiter makes the rev limiter cut ignition/fuel abruptly for a sportier feel and audible cut.
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Launch control feature
Launch control holds a set RPM for optimal standing-start acceleration.
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Pop & Bang (crackle) map: how it works
A Pop & Bang map creates exhaust crackles and bangs on overrun by adjusting ignition and fuelling.
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TVA (throttle valve actuator) anti-shudder off
A TVA off disables the throttle/anti-shudder valve that closes at engine shut-off on some diesels.
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Vmax / speed limiter removal
A Vmax off removes or raises the factory top-speed limiter in the ECU.
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Swirl flap delete off file
A swirl flap delete disables the intake swirl (manifold) flaps management in the ECU.
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Lambda/O2 and decat off file
A lambda/decat file disables the second oxygen (lambda) sensor monitoring, used after a catalytic converter removal (decat).
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AdBlue/SCR delete/off file
An AdBlue (SCR) delete disables the AdBlue/SCR after-treatment system in the ECU, so the vehicle no longer requires AdBlue.
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EGR delete/off file: what it does
An EGR delete disables the Exhaust Gas Recirculation valve in the ECU software.
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OPF/GPF delete/off file for petrol engines
An OPF/GPF delete disables the petrol particulate filter (Otto/Gasoline Particulate Filter) management in the ECU.
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DPF delete/off file: what it is and when it is used
A DPF delete (or DPF off) removes the diesel particulate filter functionality from the ECU software, so the engine no longer runs regenerations.