P0420 Diagnostic Trouble Code Discussion for June 2019
Catalyst Efficiency Below Normal (Bank 1)
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| Help Request | Posted | |
| 2012 Hyundai Accent GLS 1.6L MIL Lamp on VIN: KMHCT4AEXC P0420: catalyst efficiency below threshold bank 1. ... position 23.9% absolute throttle position B 23.9% relative throttle position 14.5% commanded throttle act . control 19.6% accelerator pedal position D 29.3% accelerator pedal position E 30.2% time since engine start 280 s commanded equivalence ratio 1.... |
June 20, 2019 | |
| 2012 Hyundai Accent GLS 1.6L MIL Lamp on VIN: KMHCT4AEXC P0420: catalyst efficiency below threshold bank 1. ... position 23.9% absolute throttle position B 23.9% relative throttle position 14.5% commanded throttle act . control 19.6% accelerator pedal position D 29.3% accelerator pedal position E 30.2% time since engine start 280 s commanded equivalence ratio 1.... |
June 21, 2019 |
