need an idea of wats wrong with i? i started it acting up up one morning on my way to work.. i started the car and it started up really rough and loud.. i let it go.. and then when i got off work and started the car it was super loud.. i got down the road and it started getting really shakey and when it would idle,, it was really bouncy.. and wehn it gets to 40 its gets bad and its hard for it to get up hills... any ideas?