p0430
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RAM · Trucks
Catalyst Efficiency Bank 2
Quick Answer
Error code P0430 on your RAM Trucks means: Catalyst Efficiency Bank 2. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Connect diagnostic scanner to identify freeze frame conditions
2
Inspect Bank 2 oxygen sensor and wiring
3
Check exhaust for leaks or damage
4
Evaluate catalyst temperature readings
5
Replace catalytic converter assembly if needed
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Catalytic converter Bank 2
Oxygen sensor downstream
Exhaust pipe section
Thermal gasket
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