Thread: Any benefit in replacing O2 sensors?
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Old 10-15-2008, 12:11 PM
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kwren kwren is offline
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Re: Any benefit in replacing O2 sensors?
Quote:
Originally Posted by SVX92-97 View Post
It most certainly does make a difference. I was getting bad gas mileage in my 94 Legacy Turbo wagon, and then put in a new subaru O2 sensor and my mileage shot up almost five miles a gallon. Just make sure your car is properly tuned up to get the most benefit.
What is a tune up?
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