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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Description & Operation (Except Diesel & Hybrid)) >> Cold Start Emission Reduction Monitor >> Cold Start Emission Reduction Component Monitor

Cold Start Emission Reduction Component Monitor

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The engine speed monitor and the spark timing monitor are carried out during the cold start emission reduction component monitor. The engine speed monitor checks the average difference between the actual and desired engine speeds. The spark timing monitor compares the average difference between desired and commanded spark to a calibrated threshold.