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P0430 Diagnostic Trouble Code Discussion for November 2010

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2000 Nissan Sentra GXE 1.8L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 3N1CB51D5Y
P0430: Catalyst Efficiency Below Normal (Bank 2). This converter and manifold uses packing and rings. Need to know if the flat metal gasket is also supposed to be used as well or just the round seals and rings. The after-market only knows of the flat metal one. I'm sure someone has experience with this unique...
November 02, 2010
2001 Nissan Maxima SE 3.0L No Start VIN: JNICA31A41
P0430: Catalyst Efficiency Below Normal (Bank 2). Customer bought car 2 days ago. Was told it was hard to start sometimes. She brought it to me for some other work, now it cranks and wont start. Shows 213 RPM while cranking. IAT is 103 degrees, ECT is 130 degrees. I searched for TSB's, found none on this prob...
November 15, 2010
2006 Nissan Xterra SE 4.0L MIL Lamp on VIN: 5N1AN08U86
P0430: Catalyst Efficiency Below Normal (Bank 2). ... right direction. Truck came in with 2 codes. p0448 and p0430. replaced converter for p0430 with nissan part as well as evap vent solenoid valve with nissan part. When it originaly came in i tested the vent valve and had no operation (no click). check for p...
November 15, 2010