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P0430 Diagnostic Trouble Code Discussion for February 2005

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2001 Infiniti QX4 3.5L MIL Lamp on VIN: JNRDR07Y71
P0430: Catalyst Efficiency Below Normal (Bank 2). Been fighting a recurring P0430; both Downstream O2s are new from Nissan per TSB, At this mileage it seems unlikely that the cats are out. Just wondering if any of you Infiniti guys now of a reflash or other item I'm unaware of or can give me a heads up on wha...
February 03, 2005
2001 Nissan Pathfinder LE 3.5L MIL Lamp on VIN: JN8DR07Y01
P0430: Catalyst Efficiency Below Normal (Bank 2). I am the second shop this vehicle has been to . Last shop replace the intake timing sensors. These 2 codes keep coming cback. I have tested all o2 sensors as far as the catalys effiency goes all seems well.
February 07, 2005
2000 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D6Y
P0430: Catalyst Efficiency Below Normal (Bank 2). ... 1 and lack of power esp. cold, tested and found bad MAF, replaced MAF cleared codes. customer returned week later check engine light on. p0420 cat efficiency below threshhold bank 1. Tested Oxygen sensors, ok. Replaced with OE catalytic converter (out of...
February 08, 2005
2000 Chevrolet Suburban 1500 LT 5.3L Excessive Emissions, Misfire, MIL Lamp on VIN: 3GNFK16T3Y
P0430: Catalyst System Low Efficiency (Bank 2). Help!!! I've got this suburban that shows misfires on #1&6. I've checked backpressure and found none. No regulator leaking. I've swapped coils and wires. All injectors drop same pressure. Mis only happens between 2000 and 3000 rpms. The only way i know the...
February 09, 2005
2000 Chevrolet Suburban 1500 LT 5.3L Excessive Emissions, Misfire, MIL Lamp on VIN: 3GNFK16T3Y
P0430: Catalyst System Low Efficiency (Bank 2). Help!!! I've got this suburban that shows misfires on #1&6. I've checked backpressure and found none. No regulator leaking. I've swapped coils and wires. All injectors drop same pressure. Mis only happens between 2000 and 3000 rpms. The only way i know the...
February 10, 2005
2001 Infiniti QX4 3.5L MIL Lamp on VIN: JNRDR07Y71
P0430: Catalyst Efficiency Below Normal (Bank 2). Been fighting a recurring P0430; both Downstream O2s are new from Nissan per TSB, At this mileage it seems unlikely that the cats are out. Just wondering if any of you Infiniti guys now of a reflash or other item I'm unaware of or can give me a heads up on wha...
February 03, 2005
2001 Nissan Pathfinder LE 3.5L MIL Lamp on VIN: JN8DR07Y01
P0430: Catalyst Efficiency Below Normal (Bank 2). I am the second shop this vehicle has been to . Last shop replace the intake timing sensors. These 2 codes keep coming cback. I have tested all o2 sensors as far as the catalys effiency goes all seems well.
February 07, 2005
2000 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D6Y
P0430: Catalyst Efficiency Below Normal (Bank 2). ... 1 and lack of power esp. cold, tested and found bad MAF, replaced MAF cleared codes. customer returned week later check engine light on. p0420 cat efficiency below threshhold bank 1. Tested Oxygen sensors, ok. Replaced with OE catalytic converter (out of...
February 08, 2005
2000 Chevrolet Suburban 1500 LT 5.3L Excessive Emissions, Misfire, MIL Lamp on VIN: 3GNFK16T3Y
P0430: Catalyst System Low Efficiency (Bank 2). Help!!! I've got this suburban that shows misfires on #1&6. I've checked backpressure and found none. No regulator leaking. I've swapped coils and wires. All injectors drop same pressure. Mis only happens between 2000 and 3000 rpms. The only way i know the...
February 09, 2005
2000 Chevrolet Suburban 1500 LT 5.3L Excessive Emissions, Misfire, MIL Lamp on VIN: 3GNFK16T3Y
P0430: Catalyst System Low Efficiency (Bank 2). Help!!! I've got this suburban that shows misfires on #1&6. I've checked backpressure and found none. No regulator leaking. I've swapped coils and wires. All injectors drop same pressure. Mis only happens between 2000 and 3000 rpms. The only way i know the...
February 10, 2005