OBD code information sheet
https://obdauto.ro/cod/P0143?lang=en
O2 Sensor Circuit Low Voltage Bank 1 Sensor 3
Available definitions for this code
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General code
Supplemented diagnostic guidance
Editorial synthesis of general information from the sources below. Listed causes and components are possibilities to investigate; the code does not confirm a faulty part.
- AUTODOC — symptoms, possible causes, checks, components to inspect · Checked:
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The definition comes from a community catalogue; its translated title may need review. Supplemented sections have their sources listed above. The code alone does not establish the faulty part or severity.
Definition source · MIT licenseReport a problem
Technical explanation
O2 Sensor Circuit Low Voltage Bank 1 Sensor 3. The supplemented diagnostic sections include their sources. This is general guidance; verify applicability to the exact vehicle.
Symptoms
- Increased consumption, reduced power and increased emissions.
Possible causes
- 01Faulty oxygen sensor; damaged wiring or connectors.
Diagnostic checks
- 01Inspect oxygen sensor wiring and connectors.
Parts involved
- Oxygen sensor, wiring and connectors (inspect).
Repair cost calculator
Indicative Romanian repair budgets, depending on the diagnosed repair. Choose your vehicle and compare available scenarios.
Model, year and engine (optional)
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Display prices
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Experiences with this code
User-reported cases published after moderation. Approval does not verify the diagnosis; the same code can have different causes.
No approved English experiences for this definition yet.
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