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Tag: Toyota 2001 Sienna 3.0L
Toyota 2001 Sienna 3.0L: How to Replace 1 Pair of Front and Rear Oxygen Sensors 234-9021
If you're experiencing a decrease in fuel efficiency or a check engine light has appeared on your dashboard, it may be time to replace your oxygen sensors. These sensors measure the amount of oxygen in your exhaust and send that information to your vehicle's computer, which then adjusts the air/fuel mixture accordingly. A faulty oxygen…
