I have a 1991 Toyota Camry. It cranks up fine. However, if I turn off the engine before it is warmed up, say in the first 2 minutes or so, the car will not turn over for the next 20 minutes or longer. Then it will crank right up. Now this afternoon, I drove it a short distance on a cold day, about 1/4 mile. It would not turn over for the next hour and a half. Then after about sporadic attempts earlier, about that hour and a half later, it just cranked right up. I feel whatever is going wrong has gotten worse.