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P0430 Dodge

P0430 Dodge - Catalyst Efficiency Bank 2

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P0430 Dodge Comments |  Add Comment
Possible causes
- Three way catalyst converter Bank 2
- Exhaust tube
- Intake air leaks
- Fuel injectors may be faulty
- Fuel injector leaks
- Spark plugs may be faulty
- Improper ignition timing
- Engine Control Module (ECM)
Help with Possible causes What does this mean?
Tech notes
As the code description implies the P0430 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0430 code is combined with other codes, try fixing the other codes first.
Help with Tech Notes What does this mean?
When is the code detected?
- Three way catalytic converter Bank 1 does not operate properly.
- Three way catalyst converter Bank 1 does not have enough oxygen storage capacity.
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0430 Dodge Description

The Engine Control Module (ECM) monitors the switching frequency ratio of heated oxygen sensors 1 (front O2 sensor) and heated oxygen sensors 2 (rear O2 sensor).

A three way catalyst converter (Manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage capacity decreases, the heated oxygen sensor 2 switching frequency will increase.

When the frequency ratio of heated oxygen sensors 1 and 2 approaches a specified limit value, the three way catalyst malfunction is diagnosed.

OBDII Code P0430 Dodge - Catalyst Efficiency Bank 2
DODGE Technical Service Bulletins for P0430 code
2007 DODGE CHARGER Engine And Engine Cooling:engine Details
2007 DODGE MAGNUM Engine And Engine Cooling:engine Details
2007 DODGE MAGNUM 061000 Engine And Engine Cooling:engine Details
2007 DODGE CHARGER 061000 Engine And Engine Cooling:engine Details
2005 DODGE RAM2500 REGCAB 4X4 SWB Engine And Engine Cooling:exhaust System:emission Control:catalytic Convertor Details
2005 DODGE RAM 2500 063140 Engine And Engine Cooling:exhaust System:emission Control:catalytic Convertor Details
Help with Technical Service Bulletins What does this mean?
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