ECU family · Car
The MARELLI MJD8 (ALL) ECU is used in car vehicles from brands such as FIAT, LANCIA, OPEL. The EcuPrime library holds verified solution files for this ECU family.
Performance
Typical range; the exact figure depends on the vehicle's hardware and the file. Compatibility is measured at hex level when you upload it.
Operations
Operations on emission systems are offered only for use permitted by local law (e.g. off-road / motorsport / export); responsibility lies with the user.
Operations
Software calibration that optimises the engine's power and torque maps within safe limits. Stage 1 is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file. Turbo diesel: +20–30% power gain, +25–35% torque gain.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Stage 1 · OPEL MARELLI MJD8 (ALL) Stage 1 · LANCIA MARELLI MJD8 (ALL) Stage 1
Software deactivation of diesel particulate filter (DPF) functions and related fault codes. DPF Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) DPF Off
Software deactivation of exhaust gas recirculation (EGR) valve control and fault codes. EGR Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) EGR Off
A package that switches off emission systems such as DPF, EGR and AdBlue/SCR together in one file. Full Emission Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Full Emission Off · LANCIA MARELLI MJD8 (ALL) Full Emission Off · OPEL MARELLI MJD8 (ALL) Full Emission Off
Stage 2 remap / Stage 2 tune software for hardware-upgraded engines: upload, pick, download. Stage 2 is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Stage 2
Removing selected diagnostic trouble codes (DTC) in the ECU software. DTC Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) DTC Off
Vmax off (speed limiter removal) software: upload your ECU file, pick, download. Vmax Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Vmax Off
Decat (catalyst off / cat delete) software: upload your ECU file, pick, download. Decat is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Decat
Lambda off (O2 off / O2 sensor delete) software: upload your ECU file, pick, download. Lambda Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Lambda Off
TVA off (throttle valve actuator delete) software: upload your ECU file, pick, download. TVA Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) TVA Off
Immo off (immobilizer off / immobiliser delete) software: upload your ECU file, pick, download. Immo Off is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Immo Off
Stage 3 remap / Stage 3 tune software for extensive hardware changes such as a bigger turbo. Stage 3 is available for MARELLI MJD8 (ALL) with a verified solution in the library: upload your original file and the software enables it only if it fits your file.
By brand and ECU: FIAT MARELLI MJD8 (ALL) Stage 3
Brands
Flow
Upload your original ECU file
The system detects the ECU from the file and enables only genuinely applicable solutions
The solution is verified at hex level and applied
Credit is charged only on successful delivery. The checksum is corrected in a separate tab with the built-in PrimeChecksum.
Missing the operation you need? Leave a request
Brand and ECU are pre-filled; add the missing operation as a note. The most requested ECUs get solutions first. Leave an email and we will let you know when the solution is added.
Upload your file for free — see which operations workExplore
Help
Yes. The EcuPrime library has a verified Stage 1 solution for MARELLI MJD8 (ALL). When you upload your original file, compatibility is measured at hex level.
Yes. The EcuPrime library has a verified DPF Off solution for MARELLI MJD8 (ALL). When you upload your original file, compatibility is measured at hex level.
Yes. The EcuPrime library has a verified EGR Off solution for MARELLI MJD8 (ALL). When you upload your original file, compatibility is measured at hex level.
Yes. The EcuPrime library has a verified AdBlue / SCR Off solution for MARELLI MJD8 (ALL) (included in the Full Emission package). When you upload your original file, compatibility is measured at hex level.
FIAT, LANCIA, OPEL, in car vehicles. The links in the brand table lead to each brand's own list of operations.
A module job costs 1 credit and Stage 1 costs 2 credits; no credit is charged if no result is delivered. Stage 1 + 1 module costs 3 credits; each further module +1 credit.
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