ok here is the deal My car is shaking really bad when you ease into the gas it does not make any sounds but when you jump on it or give it gas in gear it sounds like it has a rod knock and when you come to a stop the hole car is shaking and feels like it is going to stall i think it is either my flex plate is cracked or i have something lose some one please tell me what this could be

thanks matt

 

could be a miss among other things. have you tried trouble shooting?

 

Sounds like a good place to start would be tuneup things.... plugs, plug wires, etc.