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Home >> Ford >> 1981 >> Econoline E150, Van Display Extended, 4.9L Eng VIN E, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> MCU Engine Control System >> Diagnosis & Testing >> Non-Code Tests >> Cold Drive Complaint

Cold Drive Complaint

If complaint occurred when engine was cold, recheck coolant temperature switch for proper operation. Go to Low Temperature Vacuum Switch test, step 4)  .