Fault Code P2252
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2252
O2 Sensor Negative Current Control Circuit Low Bank 1 Sensor 1
This code indicates a low voltage in the negative current control circuit of the O2 sensor for Bank 1, Sensor 1. This can affect the computer's ability to monitor and control the air/fuel ratio.
Part Details
Part Name
O2 Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪400 - ₪1200
Engine Location
Exhaust pipe, before the catalytic converter
Symptoms
- Check Engine Light on
- Increased fuel consumption
- Poor engine performance
- Failed emissions test
Possible Causes
- 1Faulty oxygen sensor
- 2Wiring short to ground in the sensor circuit
- 3Loose or corroded connections
- 4Engine Control Module (ECM) malfunction
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