For 1990-2009 cars

Callout | Component Name
--- | ---
1 | Radiator Support Sight Shield Retainer (Qty: 6)
2 | Front Compartment Front Sight Shield Assembly
3 | Radiator Grille Retainer (Qty: 4) Tip By removing these 4 retainers allows the front fascia grille flexibility to be moved forward to access the air quality sensor.
4 | Air Quality Sensor Connector
5 | Air Quality Sensor Bolt Caution: Refer to Fastener Caution in the Preface section. Tighten 9 N·m (80 lb in)
6 | Air Quality Sensor