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Home >> Jeep >> 1994 >> Cherokee Sport, 2D Utility, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Engine Sensors & Switches >> Oxygen (O2) Sensor (Heating Element)
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Oxygen (O2) Sensor (Heating Element)

Disconnect oxygen sensor connector. Using an ohmm eter, check sensor heating element resistance. On Cherokee, connect ohmmeter to Black/Tan and Dark Green/Black sensor wires. Heating element resistance should be 5-7 ohms. Replace oxygen sensor if ohmmeter reads infinity.

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