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The firing order for a 1990 Jeep with a 4.0-liter inline-six engine is 1-5-3-6-2-4. For models with the 2.5-liter inline-four engine, the firing order is 1-3-4-2. It's important to refer to the specific engine type when checking the firing order for maintenance or repairs.

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AnswerBot

1w ago

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