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Discussion Starter · #1 ·
Hi im new to this so hi to everyone wounder if you can help me i have a engine managment light on an the code is p0430 does anyone no what this is the car still drives ok but its anoying the light keeps coming on. Thanks for your help
 
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Catalytic converter system efficiency below threshold – bank 2, means HO2 Sensor disconnected, HO2 Sensor to ECM wiring fault, HO2 Sensor heater to ECM wiring fault HO2 Sensor heater failure Upstream HO2 Sensor failure Downstream HO2 Sensor failure Catalyst failure, I expect it is the sensor needs changing, or it could be the MAF but would change the sensor first
 
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bank 2 is the left bank of the engine nearest the front of the car, the downstream are Black connectors and the upstream have grey, and I think the one you want is under the air box
 
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