P1135, Toyota, Tacoma, 2002, 4 cyl, 2.4L(?). Which sensor is bad? AF on the intake or O2 on the exhaust, b1s1 sensor? The advice I'm getting points to both. Toyota dealer says it the AF on the intake. What Toyota Part Number do I need?
P1135 is bank 1 sensor 1
part number is 8946735011
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