Engine ECU 55267347 (MJD8F3.D9) – description
On this page you can buy ECU 55267347, a Magneti Marelli MJD 8F3.D9 unit intended for the Fiat Doblo 1.3 Multijet. It goes through a function test before dispatch.
Fitting without programming
Virgin Plug & Play means that once connected, the ECU adapts itself to the car and immobiliser. Two things are needed: the same part number (55267347) and a working immobiliser.
The IMMO OFF version is available on request, but it leaves a red immobiliser warning on the dashboard and a fault in diagnostics that cannot be removed without pairing with the immobiliser. Virgin has no such fault.
How to check compatibility
This unit comes from a Fiat Doblo 1.3 Multijet. The safest way is to compare labels: part number 55267347 and marking MJD 8F3.D9 must be the same as on your ECU. If the number differs, it is a different version – look for your number in the category or ask us.
Part number and ECU type
The part number on the label is what matters most when ordering:
- Part number: 55267347
- ECU type: Magneti Marelli MJD 8F3.D9 / MJD8F3.D9
Possible symptoms of a faulty ECU
- the engine does not start, no injector control,
- no communication with the ECU during diagnostics,
- no power supply to the ECU although the fuses are fine,
- failure after water ingress or a short circuit in the wiring.
These symptoms can also have other causes – wiring, power supply or sensors. Run a diagnosis before buying.
Tests, options and warranty
- Every ECU is tested on the bench and fitted to our test car before dispatch.
- Cloning included: instead of the Virgin version we can transfer the data from your old ECU – the data from your current unit is required.
- Paid extra options: chip tuning, EGR OFF and DPF OFF.
- Warranty: 6 months.
If your ECU has a different part number, check 55261325 MJD 8F3.GG, 55250632 MJD 8F3.Q1, 55246587 MJD 8F3.F6, 55260725 MJD 8F3.D4 or the whole Fiat engine ECU category. About the manufacturer: FPT.
Common questions about ECU 55267347 MJD8F3.D9
Does the Virgin MJD 8F3.D9 need programming?
No. After fitting, ECU 55267347 codes itself to the car and immobiliser. The condition is a working immobiliser and a matching part number.
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Can I order extra services for ECU 55267347?
Yes, for an extra charge we carry out chip tuning, EGR OFF and DPF OFF. These options are done on request before dispatch.
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What is the warranty on ECU 55267347?
The warranty is 6 months. Before dispatch, the ECU passes a bench test and a test in our test car.
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Can I clone my old ECU instead of the Virgin version?
Yes, cloning is included in the price of ECU 55267347. We need the data from your current unit.
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