What is the firing order for a 1993 Buick Century?

Note that if you have a 2.8L or 3.1L it is best not to use your engine firing order as the combination to unlock your luggage.

Answer

The firing orders for the 1993 Buick Century engines are:

2.5 Liter engine firing order is 1-3-4-2 with #1 cylinder closest to belt.

2.8 Liter and 3.1 Liter engine firing order is 1-2-3-4-5-6 with #1 cylinder closest to firewall and belt (rear right corner when viewed from driver's seat)

3.3 Liter engine firing order is 1-6-5-4-3-2 on this engine the #1 cylinder is closest to the FRONT of the car and closest to the belt (passenger's side of the car) Put another way, it is front right corner of the engine when viewed from driver's seat.

All this information is from page 20-4 of the 1986-1993 Chilton's Auto Repair Manual.

Again, hope this is useful

Bob Giel, Los Angeles, CA

First answer by ID3518212128. Last edit by JohnJa. Contributor trust: 291 [recommend contributor]. Question popularity: 71 [recommend question]

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