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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
1-3-4-2
1-3-4-2
1-4-3-2
it should be 1-3-4-2
1-3-4 2 counter clockwise
it should be 1-3-4-2 also
It is a Geo Tracker not Chevy Tracker. Firing order is 1-3-4-2AnswerHI, The firing order is 1-3-4-2 and the distributor rotation is clockwise.. If you face the distributor cap as a clock, 1 is at seven o'clock, 3 is at 10 o'clock then 4 then 2. Steve H.
1,3,2,4 that is the firing order.
one or more of cylinders is not firing. or it may be firing randomly.
Knowing the firing order can help a person troubleshoot engine problems. The firing order for a 1991 Geo Metro is 1-3-4-2.