You fail to mention if it is a 4 cylinder or V6. On the 2.4 Liter 4 cylinder the firing order is 1-3-4-2. Standing in front of the car looking at the engine from left to right the cylinders are 1-2-3-4. On the 3.0 Liter V6 the firing order is 1-2-3-4-5-6. Standing in front of the car looking at the engine from on the cylinder head nearest the front of the car the cylinders are left to right 2-4-6 and the rear cylinder head nearest the windshield left to right is 1-3-5.