FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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F14: Heated O2 Sensor Screen Ground Continuity







With EM012 & EM023 disconnected, measure the resistance between EM012/022 & EM023/004

Is the resistance < 0.5 ohms?

Yes
Go to F15

No
Inspect connectors EM012, & EM023 for corrosion, damaged/pushed back pins or repair the harness, reconnect plug(s)
Go to F19