i am getting a code of random multipul misfire and it runs like crap what could be the cause???? if anyone has a solution for me please call me @ 832-596-0657 my name is tim. also there is a sensor that is round with a hole through it that has the words and numbers on it of siemens the numbers are 12570176 if any one knows what this sensor is and the location it goes in again please call me and let me know.

 

12570176 is the PN for the knock sensor. If that were malfunctioning, it could cause the symptoms you describe.

For more things to check, read through this thread and the accompanying link inside:
P030x - Random/Multiple Cylinder Misfire Detected

BTW, you might want to edit your post and remove your phone number. Unless you like telemarketers... People will respond on the forum.