i have a 95 neon that is running rough and has the check engine light on (it seems like it is only running on 2 cyl but all spark plugs look fine) is there any way to read the error codes with out using a scanner i heard something about turning the key back and forth a few times and the light will flash and be able to interpret the codes that way anybody tell me how to do it and how many flashes are what code i know how to fix cars if i can only figure out what to fix