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Home >> Mazda Truck >> 1990 >> MPV L4-2606cc 2.6L SOHC >> Repair and Diagnosis >> Starting and Charging >> Power and Ground Distribution >> Technical Service Bulletins >> By Symptom >> Driveability >> Engine - Momentary Engine Speed Drop >> Repair Procedure >> E. Verification of Repair Kit Function

E. Verification of Repair Kit Function

Verify that negative pressure is not applied to the fuel pressure regulator and that vacuum is applied to the distributor for 20 seconds after starting the engine.
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