The behavior you describe is similar to what happens when the PNP switch in the transmission control circuit fails or gets gummed up. You can sometimes clear this problem by rapidly moving the transmission selector back and forth several times to try to clear up the contacts in the switch. If you s...

Ok... so I bought a 1997 volvo 850 GLT 2.5 auto. Without jetronic or motronic. As a non runner(fuel pump and relay had gone)... anyway. Over a year later and many vacuum hoses replaced I now have an issue that just popped up. If I start the car and shift straight to drive it's fine. But if I have to...