CARWATCH
P0140 Error on Dacia
What it means and how to fix it
🚨 Fault Description (P0140)
The DTC code P0140 in a Dacia vehicle is a sign that the onboard computer has registered the following anomaly:
"O2 Sensor Circuit Slow Response (Bank 1 Sensor 2)"
Although this is a standardized OBD2 code, the symptoms and the location of the faulty sensor can vary depending on the exact model of your Dacia (year, engine type, etc).
Other frequent faults detected in Dacia:
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To clear the engine light and read the P0140 code from your phone, you need an OBD2 adapter compatible with the Dacia ECU.
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