I have a 1989 volvo 240 dl w/ b230f engine and lh jettronic computer ( 209k miles). I drove the car last night and it thundered down the road like a Volvo should. This morning I went to start the car and when I turned the key to the on position just before start ( where all the lights on the dash come on) the check engine light would not come on and the car wold not start. It acted like it was out of gas but it had a full tank. It has done this before and would wait 20 min and the car would start. It sat from 7: 30 am when I fist tried to start it till 6 something pm and still no check engine light and no start same symptoms. Any clues? Thanks so much yall are wonderful!