Report "Just died i bought my car and ran great when i test drove it but the next day it started shakeing then died. After a few hours we restarted it and it knocked really loud. We had a friend of a friend look at it and he took apart and found out only two (not sure on what they were where the spark plugs go) wee actualy fireing. we replace the spark plugs still no chang any suggestions i would greatly appreciate it"