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MARELLI · ECU

MARELLI MJD9 (ALL) Chiptuning

The MARELLI MJD9 (ALL) is used in Car vehicles from makes such as FIAT. Our library holds 539 verified solution files for this ECU family.

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Available operations

DPF Delete

Software deactivation of the diesel particulate filter (DPF/FAP) functions and fault codes.

362 solutions →

Stage 1 Remap

Software that optimises the engine's power and torque maps within safe limits.

199 solutions →

AdBlue / SCR Delete

Software deactivation of the AdBlue/SCR dosing system and its fault/warning functions.

67 solutions →

Swirl Flap Delete

Software deactivation of the intake manifold swirl flaps.

28 solutions →

EGR Delete

Software deactivation of the exhaust gas recirculation (EGR) valve control and fault codes.

9 solutions →

Speed Limiter (Vmax) Removal

Removing the factory top-speed limiter from the software.

5 solutions →

DTC / Fault Code Removal

Switching off selected diagnostic trouble codes (DTC) in the ECU software.

4 solutions →

Lambda / O2 Sensor Delete

Software deactivation of the oxygen (lambda) sensor monitoring.

4 solutions →

Decat / Catalyst Delete

Software deactivation of catalyst monitoring and related codes.

4 solutions →

Immobiliser (Immo) Solution

Software solution for no-start issues caused by the immobiliser.

1 solutions →

Stage 3 Remap

Bespoke project software for major hardware changes such as a hybrid turbo.

1 solutions →

Stage 2 Remap

Advanced software matched to hardware upgrades such as a sport exhaust or induction kit.

1 solutions →
⚠ Software work on emission systems is offered only for uses permitted by applicable law (motorsport, off-road use, export, fault diagnosis, etc.). Road use and inspection compliance of the vehicle remain the owner's responsibility.

Makes using this ECU

FIAT · 539

Vehicle types

Car

Frequently asked questions

Is DPF Delete possible on the MARELLI MJD9 (ALL)?
Yes. Our library contains a verified DPF Delete solution for the MARELLI MJD9 (ALL). Once your original file is read, compatibility is checked and the job is applied.
Is Stage 1 Remap possible on the MARELLI MJD9 (ALL)?
Yes. Our library contains a verified Stage 1 Remap solution for the MARELLI MJD9 (ALL). Once your original file is read, compatibility is checked and the job is applied.
Is AdBlue / SCR Delete possible on the MARELLI MJD9 (ALL)?
Yes. Our library contains a verified AdBlue / SCR Delete solution for the MARELLI MJD9 (ALL). Once your original file is read, compatibility is checked and the job is applied.
Is Swirl Flap Delete possible on the MARELLI MJD9 (ALL)?
Yes. Our library contains a verified Swirl Flap Delete solution for the MARELLI MJD9 (ALL). Once your original file is read, compatibility is checked and the job is applied.
Is EGR Delete possible on the MARELLI MJD9 (ALL)?
Yes. Our library contains a verified EGR Delete solution for the MARELLI MJD9 (ALL). Once your original file is read, compatibility is checked and the job is applied.
Is Speed Limiter (Vmax) Removal possible on the MARELLI MJD9 (ALL)?
Yes. Our library contains a verified Speed Limiter (Vmax) Removal solution for the MARELLI MJD9 (ALL). Once your original file is read, compatibility is checked and the job is applied.

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