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M9T

2.3 dCi 130-145 hp (M9T) engine: faults and reliability

Renault 2.3 dCi (M9T) version

Buy

The sources highlight this range as balanced, always with up-to-date maintenance.[1]

Years
since 2010
Power
130–145 hp
Faults that affect it
5
2 of high or critical severity
Cars that use it
3
in our database

2 sourcesHow we work

What changes in this version

Mid-range; one case is documented as reliable up to 175,000 km.[1]

Engine codes of this version: M9T.

Faults of the M9T engine

The documented engine faults that affect this version and its years, from most to least important.

  1. 1High severityFrequency: OccasionalEmissions controlClogged or broken EGR valve damaging the turboThe 2.3 dCi's EGR valve clogs with soot in urban use and, if it breaks, its fragments can damage the turbo. A French source cites bills of €1,200 to €2,300 for the EGR and turbo together.Repair (garage): €1,200–€2,300
  2. 2Medium severityFrequency: OccasionalInjectionFaulty injectors on the 2.3 dCiSome 2.3 dCi engines show the "injection problem" warning and go into limp mode, sometimes at low mileage. One source indicates between €400 and €1,800 for the repair.Repair (garage): €400–€1,800
  3. 3Medium severityFrequency: OccasionalEmissions controlDiesel particulate filter (DPF) clogged in urban useIn urban deliveries with little mileage the particulate filter may fail to regenerate and become clogged. One source puts the servicing or replacement at between €350 and €1,500.Repair (garage): €350–€1,500
  4. 4High severityFrequency: RareFuelFuel pipe rubbing against the wiring harness (recall 0EC1)In July 2024 Renault recalled 35,039 Master 2.3 dCi vans built from 23-09-2014 to 27-09-2023 because of possible rubbing of the fuel pipe, which could leak. The fix is a spacer.
  5. 5Low severityFrequency: RareEmissions controlSCR system and AdBlue tank faultsOn Euro 6 engines with AdBlue there are documented SCR system faults. On the Navara D23 2.3 dCi EU6b (2016-2019) a software update campaign was carried out, covering 1,012 units in Poland.

Cars fitted with the M9T engine

Open each car to see all its faults with this engine and what to check before buying it.

Nissan

Opel

Renault

Frequently asked questions

Is the M9T engine reliable?

Our verdict is “Buy”. The sources highlight this range as balanced, always with up-to-date maintenance.[1]

What faults does the M9T engine have?

The documented ones that affect this version, by importance: clogged or broken EGR valve damaging the turbo (high severity), faulty injectors on the 2.3 dCi (medium severity), diesel particulate filter (DPF) clogged in urban use (medium severity), fuel pipe rubbing against the wiring harness (recall 0EC1) (high severity) and SCR system and AdBlue tank faults (low severity).

Which cars use the M9T engine?

Renault Master III (2010–2024), Opel Movano B (2010–2021) and Nissan NV400 (2011–2021).[2]

Are you buying a car with the M9T engine?

We will put you in touch with a partner only if you authorise it in the form.

Do you have a car with this engine? Tell us which faults you have had and at how many kilometres. Report your fault.

Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Fiabilité Renault Master 2.3 dCiCarverif · Buying guide or workshop · consulted 5 October 2026 · in French
  2. Renault Master (tercera generación)Wikipedia · Encyclopedia · consulted 5 October 2026