Lincoln Nautilus P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln Nautilus 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

Lincoln MKC P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln MKC 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

Lincoln Continental P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln Continental 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

Lincoln MKZ P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln MKZ 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

Lincoln Town Car P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln Town Car 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

Lincoln LS P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln LS 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

Lincoln Aviator P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln Aviator 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

Lincoln Mark LT P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln Mark LT 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

Lincoln MKS P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln MKS 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

Lincoln MKX P2274:  B1S3 O2 Sensor – Stuck Lean

P2274 in the Lincoln MKX 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