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P0430 Diagnostic Trouble Code Discussion for December 2009

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2005 Nissan Frontier SE 4.0L MIL Lamp on VIN: 1N6AD07U85
P0430: Catalyst Efficiency Below Normal (Bank 2). New customer. Complaint of intermittent c.e.l, scanned & both b-1 & b-2 cat efficiency codes. Road test & runs fine. We mainly do domestic, and the test procedure seems pretty vaigue. Local dealer has cats in stock & are fairly expensive. To da...
December 02, 2009
2008 Ford F-350 Super Duty XLT 5.4L no power VIN: 1FTWW31548
P0430: bank 2 catalist inefficiency. Truck was at dealership, but would not warranty convertor failure if no cause of failure was known. Truck runs great, no engine missfires. This the second truck we had to repalce the driver front convertor on with same kind of mileage. We and the customer woul...
December 21, 2009
2008 Ford F-350 Super Duty XLT 5.4L no power VIN: 1FTWW31548
P0430: bank 2 catalist inefficiency. Truck was at dealership, but would not warranty convertor failure if no cause of failure was known. Truck runs great, no engine missfires. This the second truck we had to repalce the driver front convertor on with same kind of mileage. We and the customer woul...
December 29, 2009
1997 BMW 740i 4.4L MIL Lamp on VIN: WBAGF832XW
P0430: Cat sys efficiency below treshold bank 1. ... and found lean codes for bank 1 and 2. No other codes. Smoke checked and found the intake rear cover and the pcv tube under the intake leaked badly. Removed manifold and replaced pcv tube, all gaskets and the rear cover.Smoke checked again-all ok. Cleared ...
December 30, 2009
2005 Nissan Frontier SE 4.0L MIL Lamp on VIN: 1N6AD07U85
P0430: Catalyst Efficiency Below Normal (Bank 2). New customer. Complaint of intermittent c.e.l, scanned & both b-1 & b-2 cat efficiency codes. Road test & runs fine. We mainly do domestic, and the test procedure seems pretty vaigue. Local dealer has cats in stock & are fairly expensive. To da...
December 02, 2009
2008 Ford F-350 Super Duty XLT 5.4L no power VIN: 1FTWW31548
P0430: bank 2 catalist inefficiency. Truck was at dealership, but would not warranty convertor failure if no cause of failure was known. Truck runs great, no engine missfires. This the second truck we had to repalce the driver front convertor on with same kind of mileage. We and the customer woul...
December 21, 2009
2008 Ford F-350 Super Duty XLT 5.4L no power VIN: 1FTWW31548
P0430: bank 2 catalist inefficiency. Truck was at dealership, but would not warranty convertor failure if no cause of failure was known. Truck runs great, no engine missfires. This the second truck we had to repalce the driver front convertor on with same kind of mileage. We and the customer woul...
December 29, 2009
1997 BMW 740i 4.4L MIL Lamp on VIN: WBAGF832XW
P0430: Cat sys efficiency below treshold bank 1. ... and found lean codes for bank 1 and 2. No other codes. Smoke checked and found the intake rear cover and the pcv tube under the intake leaked badly. Removed manifold and replaced pcv tube, all gaskets and the rear cover.Smoke checked again-all ok. Cleared ...
December 30, 2009