Cooling system components (water pump/thermostat)
Often reportedReported faults in the cooling circuit (water pump, thermostat, sensors) can cause overheating or abnormal thermal operation
Cooling
The most frequently mentioned issue when buying a used Opel Meriva 1.4 LPG Turbo Ecotec 2015: Cooling system components (water pump/thermostat). Also, warning light, EGR/lambda sensor, and irregular power distribution are frequently reported.
Engine varies by trim; verify the engine code on the listing.
Listed from most frequently reported, each with its source.
Reported faults in the cooling circuit (water pump, thermostat, sensors) can cause overheating or abnormal thermal operation
Cooling
Many users report intermittent warning light and irregular power distribution (jerking during acceleration, momentary power loss). Common causes include faulty lambda sensor, clogged EGR valve, or other issues
Engine Bay
PCV system faults are frequently reported; irregular valve behavior, excessive oil entering the intake system, spark plug fouling, and decreased engine performance can occur
Engine Bay
Several technical forums and engine reports report above-normal oil consumption and, in severe cases, piston fracture or damage due to knock/LSPI (low-speed pre-ignition)
Engine Internal
Recurring reports indicate power loss, irregular power distribution, and abnormal noises related to the turbo or turbo control components (bypass valve, boost solenoids, wastegate). Symptoms can range from intermittent boost loss to turbo replacement
Turbo
Same trim, different year
We only publish claims we can verify. Cards come from European fault records and owner reports matched to this vehicle on brand, fuel, engine and generation.