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Home >> Ford >> 1990 >> Bronco 4.9 Y, Standard, M5OD-R2 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test J - Fuel Pump Circuit >> Test J: Step 1
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Test J: Step 1

1) No Fuel Pump Pressure: Check Fuel Pump Electrical Operation  Turn key from OFF to RUN position several times (DO NOT  turn to START position). If fuel pumps run briefly each time key is turned to RUN position, fuel pump circuit is okay. If not, go to next step.