My t-bird has been flashing code 13 (rpm not within self-test lower limit). I have replaced multiple parts, the most recent being a full set of fuel injectors today. It IS running better but not as well as it should be, and the code is still flashing. The battery has been disconnected which should have reset it if the problem was fixed. I have searched endlessly online for an explanation of code 13 with no results. What do I need to check/fix/replace to get my girl going again?
My car has 250000 miles.
My car has an automatic transmission.
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