iginition do you have to change all of thm?
Are you talking about the switch or key and tumbler?
wires? one spark-plug at a time to avoid mixing up the firing order.
Coil packs? I would. If one has failed the others will soon fail as well. HTH. -Jim
Looking for a Used Trans Sport in your area?
CarGurus has 32 nationwide Trans Sport listings and the tools to find you a great deal.
Search Pontiac Trans Sport Questions
Pontiac Trans Sport Experts