Firing order for 1999 buick century custom - 1999 Buick Century

most cars have it printed on decal the body under hood it will say 134-a capacity 2.3lb ,when adding Freon allways follow detailed instructions .if system has been emptied you may have to use Freon with oil in it

watt engine

For 1999 Buick Century 3.1 liter V-6 VIN "M" check...




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6 and 8 cylinder:

1980 Buick Century 3.8L 2BL OHV 6cylThe Firing Order:
Firing order 1-6-5-4-3-2 ------- front | 2 4 6 | of | |Distributor rotates clockwise vehicle | 1 3 5 | -------

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firing order is 123456 #1 is pass side at firewall

hi the 2004 firing order is 153624 please rate this answer thanks

Buick Regal, Century, Chevrolet Impala, Lumina -- General Engine Specifications 1999-01 ... 3.1L Engine Firing order: 1-2-3-4-5-6 Distributorless ignition system

The firing order for a 4-cylinder 2.2L Buick Century is: 1-3-4-2. The distributor rotates in a clockwise direction, with #1 plug wire located at the upper left of the distributor The firing order on a 3.1 v6 is simple. 1-2-3-4-5-6 See a diagram of the 3.1 and 3.8 here. http://www.2carpros.com/forum/1999-buick-century-spark-plug-firing-order-vt177159.html http://autorepair.about.com/od/enginefiringorders1/