Your car could have been hard to start due your battery needing replacement. Your battery has a life of 4 to 6 years - this depends on the type and quality of your battery. If your battery is good quality then many times you can exceed the 6 year mark, if it isn't then your battery may only last for 2 to 4 years. Quality does make a difference in the longevity of your battery life. When your battery is weak then it will cause your car to crank slowly and a hard start.
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