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P0430 Diagnostic Trouble Code Discussion for December 2010

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
1997 Chevrolet C1500 Silverado 5.7L Poor Idle Quality VIN: 2GTEK19R1V
P0430: Catalyst System Low Efficiency (Bank 2). ... misses at idle only,.Misfires are always recorded on cylinders 1,3,5,7. sometimes sets P0300 and sometimes sets bank 1 and bank 2 o2 sensor codes. Son replaced all o2 sensors twice. replaced plugs, cap and rotor, also replaced both catylitic converters for...
December 01, 2010
1997 Chevrolet C1500 Silverado 5.7L Poor Idle Quality VIN: 2GTEK19R1V
P0430: Catalyst System Low Efficiency (Bank 2). ... misses at idle only,.Misfires are always recorded on cylinders 1,3,5,7. sometimes sets P0300 and sometimes sets bank 1 and bank 2 o2 sensor codes. Son replaced all o2 sensors twice. replaced plugs, cap and rotor, also replaced both catylitic converters for...
December 05, 2010