fire order should be 1-6-5-4-3-2 for V6 v8=1-8-4-3-6-5-7-2
firing order is1432
the firing order is 1342
1,3,2,4 that is the firing order.
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.
1,3,4,2
Pontiac.on.nimp.org That's should help you with the firing order. KOCKNMOUTH
The correct firing order is 13726548.
1342
1,3,4,2
1,3,4,2
1342