(CNN)– One aspect of the U.S. economic engine could use a jump-start. More Americans are having trouble making their car payments.

A recent report from JD Power finds the percentage of new car buyers who have credit scores below 650 was close to 14% last month.

That’s the highest amount in nine-years, and more of those buyers who take on subprime auto loans are having trouble making payments.

Findings from Fitch Ratings also show more than 6% were at least 60 days overdue on payments this year, that’s a new high.

See Full Page