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P0420 Diagnostic Trouble Code Discussion for December 2024

Catalyst Efficiency Below Normal (Bank 1)


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Trouble Ticket Help Requests for DTC P0420
Help Request Posted
2013 Chevrolet Cruze Eco 1.4L Cuts out VIN: 1G1PJ5SBXD
P0420: Catalyst System Low Efficiency Bank 1. ... one second and back on again while driving down the expressway. It acts like I switched off and on the ignition. When this happens the speedo and tach go to zero and the driver info system says to service the power steering (Electric) but there are no ...
December 02, 2024
2013 Chevrolet Cruze Eco 1.4L Cuts out VIN: 1G1PJ5SBXD
P0420: Catalyst System Low Efficiency Bank 1. ... one second and back on again while driving down the expressway. It acts like I switched off and on the ignition. When this happens the speedo and tach go to zero and the driver info system says to service the power steering (Electric) but there are no ...
December 12, 2024