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2012 Buick Regal 2.4L MIL Lamp on
Posted to GM Driveability on 3/27/2019 6 Replies

GM guys need some help. this buick is 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 p...

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  Related Documents & Media  2012 Buick Regal

 
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car Vehicle Data

2012 Buick Regal

VIN 2G4GS5EK7C
Engine2.4 L / 4 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DIRECT INJECTION
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)
Message Closed

car Vehicle Data

2012 Buick Regal

VIN 2G4GS5EK7C
Engine2.4 L / 4 cyl / FLEX
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DIRECT INJECTION
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P2097Downstream Fuel System Rich - HO2S-12 (Bank 1 Sensor 2)