A good credit score is important, and there are many things you can do to ensure your score remains high. But sometimes, we make mistakes, and our score suffers. If you find yourself with a credit score that could use some help, there are some things that you can do in order to raise your score quickly. One of the first things you should do is request an increase in your credit limit. What that does is increase the amount of credit you have in relationship with the amount of credit you are using, a tried and true strategy for increasing your credit score. For more tips, read the full article here.
Having too much available credit may not hurt your FICO but it most certainly will make it harder to get a loan at a low rate.