P0420 Diagnostic Trouble Code Discussion for May 2022
Catalyst Efficiency Below Normal (Bank 1)
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| Help Request | Posted | |
| 2013 Infiniti JX35 3.5L MIL Lamp on, VIN: 5N1AL0MN3D P0420: Catalyst problem b1. Hi, every one , this suv. Came in for check engine light. Due to cat. Problem .befor another shop changed the o2 sensors. We desided to look inside , when we got inder , was odd because cat. Were soak and wet !! check dor coolant leak or any other le... |
May 25, 2022 |
