Can oil pump cause car not to start?
Can oil pump cause car not to start? Functions. On older model vehicles, an oil pressure switch will send a signal to the oil pressure light. The oil pressure switch on newer model vehicles will signal its computer, which can cause a car not to start if it has low oil pressure. What can cause a new oil pump to fail? Various issues can lead to oil pump failure, but the most common causes are:Low Engine Oil Levels. Infrequent Oil Changes. Wear and Tear Over Time. Engine Sludge. Oil Contamination. Open Bypass Valves. Malfunctioning Oil Passages or Oil Lines. Restricting...