Try checking the fuel filter, if the car starts then you are getting spark. I was told by a good mechanic that 1990's are known for weak fuel pumps also, I had to have mine changed even though I heard the old one working. My 1990 salon had alot of debris in the tank and made the car run rough, I think I changed the fuel filter like 15 times before it started to run fine for over a month.
As for the jerking, try changing the tranny filter and fluid, might be time for it, also try adding a additive for slipping transmissions.
I will say that id try getting the car running right before messing with the transmission because ssome vehicles rely on the engine running right to make the traanny run right
Tuesday, January 27th, 2009 AT 9:48 AM