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Home >> Ford >> 1990 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test H - Fuel Control >> Test H: Step 24
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Test H: Step 24

24) Check HEGO Sensor For Short to KPWR Circuit  Turn key off. Disconnect HEGO sensor. Set DVOM on 200-k/ohm scale. Measure resistance from KPWR circuit to HEGO SIG circuit at HEGO sensor connector. If reading is 10 k/ohms or less, replace HEGO sensor and repeat QUICK TEST. If reading is greater than 10 k/ohms, go to next step.