Description: Oxygen; Oxygen No. 2. Fits Highlander, SiennaOxygen Sensor - Repair or ReplaceA failed Oxygen Sensor will often have no noticeable symptoms beyond a check Engine light, but it does cause your Toyota to operate inefficiently and produce higher emissions. Our technicians have Access to manufacturer-approved repair processes and Toyota genuine parts. Left. Sienna. Highlander. 3.3l. 3.3L, exhaust pipe. 3.3L, lower with 4wd, front.

Description: Knock Sensor - Repair or Replace A failed Knock Sensor will often have no noticeable symptoms beyond a check Engine light or Engine ping or knock, but it does cause your Toyota to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Toyota genuine parts.