Hey guys ,
Any one know what would cause my car to shift up and down on the highway? ussually happens about 2,500 RPM . Sometimes it doesnt downshift like it should either .I put a ram air in (cold air from under the bumper) but that shouldn't affect the tranny. It has a new/rebiult tranz but the power light does flash 16 times when I start it.
I have to go check the code. but just wondering if this has happened to anyone else here.
Thanks guys.