Ruiya 2Pcs Upstream & Downstream Only Fit 2001 2002 2003 Honda Civic 1.7L D17A1 Engine

Description：
The oxygen sensor, located either upstream or downstream of the catalytic converter, is designed to monitor the air-fuel mixture under idle, moderate acceleration, and cruise conditions. Symptoms of a faulty or bad oxygen sensor include bad gas mileage, rough idle, reduced drivability, and an illuminated check-engine light.

Fitment：
D17A1 Engine 2003 Honda Civic DX Coupe 2-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2003 Honda Civic DX Sedan 4-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2003 Honda Civic LX Coupe 2-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2003 Honda Civic LX Sedan 4-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2002 Honda Civic DX Coupe 2-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2002 Honda Civic DX Sedan 4-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2002 Honda Civic LX Coupe 2-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2002 Honda Civic LX Sedan 4-Door 1.7L 1700CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2001 Honda Civic DX Coupe 2-Door 1.7L 1668CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2001 Honda Civic DX Sedan 4-Door 1.7L 1668CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2001 Honda Civic LX Coupe 2-Door 1.7L 1668CC l4 GAS SOHC Naturally Aspirated
D17A1 Engine 2001 Honda Civic LX Sedan 4-Door 1.7L 1668CC l4 GAS SOHC Naturally Aspirated