OBD code information sheet
https://obdauto.ro/cod/P0430?lang=en
Catalyst System Efficiency Below Threshold Bank 2
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:
Save codes and associated data before clearing. Follow the manufacturer procedure for the exact engine and vehicle configuration.
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
Catalyst System Efficiency Below Threshold Bank 2. The supplemented diagnostic sections include their sources. This is general guidance; verify applicability to the exact vehicle.
Symptoms
- Increased fuel use, reduced power or unusual exhaust smell may occur.
Possible causes
- 01Degraded bank 2 catalyst.
- 02Incorrect oxygen-sensor signals, leaks or combustion/mixture problems.
Diagnostic checks
- 01Address associated misfire and mixture codes; check exhaust sealing and sensor signals before replacing the catalyst.
Parts involved
- Inspect: bank 2 catalyst, oxygen sensors and connections.
Repair cost calculator
Indicative Romanian repair budgets, depending on the diagnosed repair. Choose your vehicle and compare available scenarios.
Model, year and engine (optional)
Available ranges are not yet validated for each year and engine code. Confirm compatible parts and access requirements with the workshop.
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.
