Hi. I found this answer on wiki.answers.com, so I'm not entirely sure if it's correct. I'm sure the community will correct me if I happen to be wrong. "The number 6 cylinder is located on the drivers side front toward headlights, here is the entire order: pass side back by firewall = 1, center=3,drivers side back=5 and the front cylinders are: pass side front=2, center=4, drivers side front=6"