
P0430 Diagnostic Trouble Code Discussion for May 2005
Catalyst System Low Efficiency (Bank 2)
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Help Request | Posted | |
1997 Chevrolet Express 1500 5.0L MIL Lamp on VIN: 1GBFG15M2V P0430: Catalyst System Low Efficiency (Bank 2). Thanks in advance,I have a wierd one, failed obd 2 em. This is setting a po430 and passing a 420. Strange thing is it is a one cat system. The van has 4 o2 and the only post cat is sensor b1s3. Yes it is aftermarket cat ( second one )but the the rear o2 is dea... |
May 26, 2005 |