Low severity
P0050Lambda Sensor Heater Circuit Failure (Bank 2, Sensor 1)
Part
Lambda Sensor
Part price
$88
At a workshop
$113
You save
$25
How to read code P0050
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
50
Fault number
Specific fault within the subsystem
Symptoms
- Check engine light is on
- Slightly higher fuel consumption on cold start
- No other symptoms
Possible causes
- Heater element failure in the lambda sensor
- Heater circuit power supply issue
- Heater sensor fuse or circuit damage
Diagnostic steps
- 1Check the lambda sensor heater circuit fuses
- 2Measure the resistance of the heater element at the sensor connector
- 3Verify 12V power presence at the connector after engine start
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Frequently asked questions about P0050
What does code P0050 mean?
P0050: Lambda Sensor Heater Circuit Failure (Bank 2, Sensor 1).
What are the symptoms of code P0050?
Check engine light is on; Slightly higher fuel consumption on cold start; No other symptoms.
What causes code P0050?
Heater element failure in the lambda sensor; Heater circuit power supply issue; Heater sensor fuse or circuit damage.
Can I drive with code P0050?
SAFE TO DRIVE – The fault does not immobilise the car, but diagnose it as soon as possible.
How much does it cost to fix code P0050?
The part (Lambda Sensor) costs about $88, and a mechanic’s labour about $25.
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