Join Now
International Automotive Technicians Network

P0430 Diagnostic Trouble Code Discussion for May 2007

Catalyst System Low Efficiency (Bank 2)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0430
Help Request Posted
1995 Jaguar XJS 4.0L Hesitation VIN: SAJNX2744S
P0430: catalyst below threshold bank 2. with modis on generic obd2 lt fueltrim is at -89% on both banks and when code is cleared or battery is disconected to clear adaption fuel trim stays at -89% will not go back to 0%.which means the ecu is taking away fuel. also the maf is .03 grams per sec. at i...
May 25, 2007
1995 Jaguar XJS 4.0L Hesitation VIN: SAJNX2744S
P0430: catalyst below threshold bank 2. with modis on generic obd2 lt fueltrim is at -89% on both banks and when code is cleared or battery is disconected to clear adaption fuel trim stays at -89% will not go back to 0%.which means the ecu is taking away fuel. also the maf is .03 grams per sec. at i...
May 25, 2007