"Is the Logan 1.5 d reliable, and what should you check?"
When buying a used Dacia Logan 1.5 d 2018 (2nd generation / facelift), the most frequently mentioned issue is: Sensors/Electronics and Limp Mode. Also, a clogged EGR valve is commonly reported.
Engines available in this year
Engine varies by trim; verify the engine code on the listing.
K9K872
1.5 d · 1.5 dCi (95 bg)
K9K626
1.5 d · 1.5 dCi (90 bg)
Known issues and risks
Listed from most frequently reported, each with its source.
Sensors/Electronics and Limp Mode
Often reported
Technical reports indicate that sensors (turbo boost/MAP, FAP differential pressure sensor, rail/injector sensors, and solenoid valves) can cause intermittent faults or trigger limp mode, limiting power.
Engine Bay
Clogged EGR valve
Often reported
In the 1.5 dCi engine family, the EGR valve often clogs due to carbon buildup, especially with city or short-distance driving.
Exhaust Emissions
Sensitive common rail injectors
Often reported
Frequent injector failures or premature wear are reported in the 1.5 dCi engine.
Fuel System
Turbocharger, Wastegate and Pipe Issues
Often reported
The turbocharger and related components (actuator/wastegate, pipes, and intercooler hoses) are among the most prone to problems: loss of seal, excessive play, pipe breakage, or wastegate sticking can cause power loss, exhaust smoke, and sometimes oil ingress.
What to look for when buying a Dacia Logan 1.5 d?+
When buying a 2018 model 1.5 d, check the service history, test drive, and look for engine/transmission warnings. The most commonly reported issues are: Sensors/Electronics and Limp Mode; clogged EGR valve; sensitive common rail injectors.
What are the chronic problems of the Dacia Logan 1.5 d?+
The most commonly reported issues are: Sensors/Electronics and Limp Mode; clogged EGR valve; sensitive common rail injectors.
Is the Dacia Logan 1.5 d reliable?+
Instead of a simple yes or no, it's better to weigh the proven pros and cons together. This page lists 4 verified findings.
How does Carbeak collect data?+
The cards on this page are derived from the Difetti fault database; the source vehicle and target vehicle are verified for brand, fuel, engine, and generation compatibility. Topics with insufficient evidence are not shown.