P0430 Diagnostic Trouble Code Discussion for November 2020
Catalyst System Low Efficiency (Bank 2)
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| Help Request | Posted | |
| 2017 Chevrolet Silverado 1500 LT 5.3L MIL Lamp on VIN: 1GCVKREC4H P0430: Catalytic converter efficiency bank 2. ... have this Silverado that keeps setting code P0430 and turning on MIL. We understand it is still under warranty but for some reason the customer wanted us to replace the converters. We installed a new Walker aftermarket assembly. Code returned. When... |
November 02, 2020 | |
| 2012 Jeep Grand Cherokee Laredo 3.6L MIL Lamp on VIN: 1C4RJFAG5C P0430: cat efficiency bank2. ... 3.6L came in with stored p0420 and p0430 catalyst efficiency codes. Front oxygen sensors are not lazy (switch rich/lean normally) and downstream sensors look normal at 2500 rpm, holding steady near half a volt, and there are no exhaust leaks. There is ... |
November 23, 2020 |
