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o2 sensors power off at fuse when ignition on 4 codes

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power at fuse for o2 sensors turns off when ignition is on
Vehicle: 2002 kia sportage 4 cyl base model

1 Answer

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Power for the 02 sensor is given from the fuel pump relay then goes to the 02 sensor fuse in the passenger compartment, swap out the fuel pump relay and retest

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