P0430 — Catalyst System Efficiency Below Threshold (Bank 2)

OA fault code doesn’t yet mean the unit or sensor itself is faulty: often it’s the plug and connector leading to it.

Possible causes

• The catalytic converter is burned out or clogged
• Rear O2 sensor
• Exhaust leak before the sensor

What you can do yourself

1. The car pulls as usual — you can keep driving.

Find the part on Kaspi ShopBefore buying, check the part number or match the part by VIN in the Kaspi “Garage”.

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The explanation comes from the error code reference in the AvtoElektrik PRO app.