Jeep Grand Cherokee P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Jeep Grand Cherokee is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it … Read more

Ford Transit Courier P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Ford Transit Courier is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it … Read more

Ford Transit Connect P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Ford Transit Connect is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it … Read more

Chevy Monte Carlo P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Chevy Monte Carlo is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it … Read more

Chevy Traverse P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Chevy Traverse is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Chevy Trailblazer P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Chevy Trailblazer is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Chevy Tahoe P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Chevy Tahoe is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Chevy Suburban P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Chevy Suburban is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Chevy Spark P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Chevy Spark is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more

Chevy Sonic P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Chevy Sonic is a general diagnostic trouble code.  It means that the “bank 1” oxygen sensor (third oxygen sensor from the exhaust manifold, behind a catalytic converter) is continuously sending voltage that indicates a lean air/fuel mixture.   This does not necessarily mean that the vehicle is running lean (although it can, … Read more