P2431 Diagnostic Trouble Code Discussion for December 2015
Secondary Air Injection System Pressure Sensor Performance
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| Help Request | Posted | |
| 2008 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT58NX8 P2431: secondary air pressure sensor performance. Merry x-mas and happy new year to all...(But not to me with out your help) Car came in for state and emissions. Check engine light on, secondary air incorrect flow. Knowing this is a on going problem went though intire flow chart. Checked powers grounds,relay,... |
December 18, 2015 |
