🔥 OCPTY 234-4018 13474 O2 Oxygen Sensor: Upstream Downstream for Buick Cadillac Chevrolet GMC Isuzu Pontiac – Heated O2 Sensor (1PCS) – Sensor 1 Sensor 2 Review

Fitment - sensor for Buick lesabre fit 1997-2003 for Buick Regal,1997-1999 for Buick Riviera,1997 for Buick Skylark,1996-1999 for Cadillac DeVille,1996-1999 for Cadillac Eldorado,1999-2000 2002 for Cadillac Escalade,2002 for Cadillac Escalade EXT,2002 for Chevy Avalanche 1500,1996-2000 for Chevy C2500,1996-1999 for Chevy C2500 Suburban,1996-2000 for Chevy C3500,1997-2002 for Chevy Camaro,1996-2002 for Chevy Express 1500,1996-2002 for Chevy Express 2500,1996-2002 for Chevy Express 3500. Functions - if your car with the issues that not read the correct voltage, check engine light, pass emissionsor other symptoms of failure, OPCTY O2 sensor will slove these problems. Note - please check your position plug wire length.The O2 sensor needs fresh air from the outside to be compared with the inside. They get air through the small gaps that the wires enter. Do not put any grease or anti-seize agent into it. EASILY INSTALL- Great performance and easy to installation.After installing the denso oxygen sensor, the fault code will disappear and the tge motor can run smoothly. Location - Bank 1 Sensor 1 means Upstream Right/Rear; Bank 2 Sensor 1 means Upstream Left/Front; Bank 1 Sensor 2 means Downstream Right/Rear; Bank 2 Sensor 2 means Downstream Left/Front.The front O2 sensor is used to monitor the fuel mixture and affect fuel consumption, while the rear (rear catalytic converter) sensor is only used to monitor the emission quality of the catalytic converter.