P2097 Diagnostic Trouble Code Discussion for March 2019
Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
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| Help Request | Posted | |
| 2012 Buick Regal 2.4L MIL Lamp on VIN: 2G4GS5EK7C P2097: Post catalyst fuel trim high limit. ... setting p2097. fuel trims short term fluctuate between -5 and 5, long term at idle climbs to 16 and drops between 10 & 13 at cruise speeds. downstream o2 stays at .60-.65 what am I missing. Also what should fuel rail pressure read? |
March 27, 2019 |
