My father has a 97 Astro Van, Last few days we have noticed when the van is kicked down to pass, the van sticks in passing gear and will not shift. Continues to run in high RPM and will only shift until you let off the gas, needles to say, its worthless at this point. Another thing, A few days it was doing the same but when it did shift, it was like it threw ya forward (launch). The check engine light came on yesterday. We would like to check the computer for the code, but we are not sure which post to ground. The systems post are different then my 91 chevy. Can any one help?
Thanks in advance.
No passing gear!
