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i have a 2003 tundra. Engine light on code reads: heated oxygen sensor heater control circuit low, bank 1, sensor 2
Is there a fuse for this or do I need to replace an O2 sensor. If so, is it the up or downstream sensor?

Vehicle: 2003 toyota tundra six cylinder

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HI there,

This code is for the down stream sensor AFTER the converter on bank 2. There is a fuse in the fuse box under the hood that you should check first, labeled O2 sensors. If not, then replace the O2 sneosr after the converter.

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