Okay... car was stalling occasionally and always hard shifting, unless it was at the mechanics when it would drive great.

I changed the coils, no difference. Today I changed the MAFS. It ran great, though I think the tranny is slipping. Now the only problem is that while it shifts very smoothly, it still sort of gets "stuck" around 2200 rpms, and the check engine light is coming on. It's not giving me any codes. It will blink like 21 fast times, 5 slow times, sometimes 3 times slow and then stay lit up.



Any ideas why the check engine light is acting so odd?

 

help!!!