Thread: 99 4runner TSB Oxygen Sensor Improvement
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Old 01-29-2005, 10:18 AM   #1
aditizio
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Question 99 4runner TSB Oxygen Sensor Improvement
I found out that there is a TSB for the Oxygen sensor. Does anyone know what the full story is on this. I have had check engine come on and the dealer told me I needed new Catylitic converters. I have heard that the o2 sensor can be causing this.
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