"Is the Laguna 2.0 d reliable, and what should you check?"
When buying a used 2010 Renault Laguna 2.0 d, the most frequently mentioned issue is a clogged or faulty EGR valve. Injector or high-pressure circuit problems are also commonly reported.
Engine: M9R
M9R · turbo petrol · 2.0 d · Used in this car from 2007-2015
Strengths
Low fuel consumption
High engine lifespan with proper maintenance
Watch-outs
Demanding fuel system with piezo injectors
Relatively modest timing chain lifespan
Oil separator not always effective
Known engine issues
Fuel systemBosch piezo injectors are demanding on diesel quality and have poor repairability, but the main issues are caused by unreliable fuel pressure regulators. Diagnosis of poor starting or floating idle should start with them.
Timing chainThis engine was developed jointly with Nissan engineers, so the timing drive is chain-based. Opinions on its lifespan vary greatly: some claim 400,000 km on the original chain, while others needed replacement at 150,000 km.
TurbochargerAll versions of these diesel engines are equipped with reliable Garrett turbochargers, but boost errors appear regularly. Usually the vacuum system, boost sensor, or sticking variable geometry mechanism is at fault.
Listed from most frequently reported, each with its source.
Clogged or faulty EGR valve
Often reported
The EGR valve in the 2.0 dCi tends to accumulate carbon and deposits, leading to increased particulate matter, poor combustion, and DPF clogging.
Engine Bay
Injector or high-pressure circuit problems
Often reported
Reported issues in dCi engines include individual injector failure or malfunction and high-pressure pump anomalies; this can cause vibrations, misfires, injector-related error messages, and limp mode.
Fuel System
Turbocharger and VGT actuator issues
Often reported
The variable geometry turbo (VGT) on the M9R engine can experience problems: vanes may stick due to carbon deposits or the actuator may fail, leading to power loss, abnormal whistling noise, smoke, and erratic engine behavior.
Turbo
Renault Laguna 2.0 d technical specs
Renault Laguna 2.0 d (2010): boot 508 L; fuel use 4,6 l/100 km (urban 5,5 l/100 km · extra-urban 4,1 l/100 km); 0–100 in 9.3 s.
Boot capacity
508 L
Fuel consumption
4,6 l/100 km (urban 5,5 l/100 km · extra-urban 4,1 l/100 km)
What should I look for when buying a Renault Laguna 2.0 d?+
When buying a 2010 model 2.0 d, check the service history, test drive, and look for engine/transmission warnings. The most commonly reported issues are: clogged or faulty EGR valve; injector or high-pressure circuit problems; turbocharger and VGT actuator issues.
What are the common problems of the Renault Laguna 2.0 d?+
The most commonly reported issues are: clogged or faulty EGR valve; injector or high-pressure circuit problems; turbocharger and VGT actuator issues.
Is the Renault Laguna 2.0 d reliable?+
Rather than a simple yes/no, it's best to weigh the proven pros and cons together. This page lists 3 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from the Difetti fault database; the source vehicle is verified for brand, fuel, engine, and generation compatibility with the target vehicle. Topics with insufficient evidence are not shown.
We only publish claims we can verify. Cards come from Difetti fault records matched to this vehicle on brand, fuel, engine and generation.
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