Which engine?
165432 is the firing order.
Engine firing order 1 - 3 - 4 - 2
All Dodge V6 engines have a firing order of 1-6-5-4-3-2.
1-8-4-3-6-5-7-2 is the firing order
1, 8, 4, 3, 6, 5, 7, 2.
1,3,2,4 that is the firing order.
the firing order is 1342
firing order is1432
123456 - 135 passenger side - 246 drives side. clock wise.
diagram of firing order on a 1990 Oldsmobile cutless 3.3 engine
Go to Google.com and type in the words "1990 Geo Tracker firing order" and it will get you to a site that will tell you.