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Home >> Mazda >> 1989 >> MPV L4-2606cc 2.6L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Control Module >> Technical Service Bulletins >> Customer Interest >> 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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