Aug 30, 2024 · the p0420 diagnostic trouble code (dtc) for pontiac vehicles indicates that the catalytic converter on bank 1 is operating at a lower efficiency than expected. Nov 1, 2023 · i had a p0420 code on my 07 g6 w/ 154,000 miles, but i didn’t have any bad symptoms of a catalytic converter. My guess is that it was only slightly inefficient. Mar 21, 2024 · the p0420 code indicates that the engine control module (ecm) has identified a decline in the efficiency of the catalytic converter on bank 1. This could be attributed to a.
P0420 pontiac g6 symptoms : Check engine light shows an engine error, when you diagnose it with obd scanner you can see p0420 code, so the first symptom is catalytic converter not. Dec 3, 2024 · if you’ve scanned your vehicle and found p0420 or p0430 codes, it’s easy to panic. These codes point to catalytic converter efficiency issues, and replacing a catalytic converter. Jul 29, 2023 · the p0420 code means your car’s catalytic converter on one side of the engine isn’t cleaning up pollution as well as it should. Aug 5, 2018 · the p0420 code in a pontiac bonneville will often be thrown if one of your car’s oxygen sensors is not functioning correctly. There are rarely drivability issues associated with.
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