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Re: Removing #1(rear) a/f ratio sensor
1MZ and 3MZ Rear (Bank1) Sensors are Butt pucker sensors. If
theres any rust its about 90% failure, I have gotten to
where I use an Extension and a special 12point O2 sensor
socket from Mac, Said it was modeled after the OE tool but
in 3/8 drive, 
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