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Home >> Oldsmobile >> 1990 >> Silhouette V6-191 3.1L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Operating Modes >> Clear Flood Mode
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Clear Flood Mode


A flooded engine is cleared by fully depressing the accelerator pedal, which causes the ECM to pulse the injectors at a air/fuel ratio of 20:1. The ECM will maintain this air/fuel ratio as long as the throttle is wide open and engine RPM is less than 600. If throttle position becomes less than 80% of wide open throttle, the ECM returns to "Starting Mode".