Low severity
P0055Incorrect resistance of the third lambda sensor heater (Bank 1, Sensor 3)
Part
Lambda sensor
Part price
$63
At a workshop
$88
You save
$25
How to read code P0055
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
55
Fault number
Specific fault within the subsystem
Symptoms
- Check Engine Light
- No drive symptoms
- Error code stored in memory
Possible causes
- Internal sensor heater damage
- Too high heater circuit resistance
- Dirty connectors
Diagnostic steps
- 1Check heater parameters on the computer
- 2Test the heater resistance with a multimeter
- 3Inspect the wiring harness
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Frequently asked questions about P0055
What does code P0055 mean?
P0055: Incorrect resistance of the third lambda sensor heater (Bank 1, Sensor 3).
What are the symptoms of code P0055?
Check Engine Light; No drive symptoms; Error code stored in memory.
What causes code P0055?
Internal sensor heater damage; Too high heater circuit resistance; Dirty connectors.
Can I drive with code P0055?
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 P0055?
The part (Lambda sensor) costs about $63, and a mechanic’s labour about $25.
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