Signs of Transmission Trouble Transmission problems can take several forms. Each symptom may have a number of possible causes,some requiring extensive repairs while others need only an adjustment or minor service. A systematic checkup by a professional is the best way to isolate the cause of the operating problems and recommend the most effective solution. Engine Light On--Dashboard light prompts you to"Check Engine"or"Service Engine Soon" Strange Noises--Makes clicking,knocking,screeching,buzzing,whistling,clanking,or grating noises. Unusual sounds can come from hood or rear of car and may include a hum or low whine. "Morning Sickness"--When the vehicle is cold,it won't move MaxiTPMS TS601,or it shifts late during the first few minutes of operation. Slipping--Engine races,but vehicle moves slowly or won't accelerate as it should. Stalli ... Read more »