2012 GM 3.6L Engine Firing Order Guide

Cracking the Code: Everything You Need to Know About the 2012 GM 3.6 Firing Order Alright, let's talk engines! Specifically, if you've got a 2012 GM vehicle sporting that ubiquitous 3.6-liter V6 under the hood – whether it's an Impala, a Traverse, a Camaro, an Acadia, or even a Cadillac – you've probably wondered about some of its inner workings. Or maybe you're tackling a tune-up, diagnosing a pesky misfire, or just plain curious. One of the fundamental pieces of knowledge for anyone diving into engine maintenance is the firing order. It might sound a bit intimidating, but trust me, understanding the 2012 GM 3.6 firing order is super helpful and can save you a lot of headaches (and potentially money!) down the road. ...

November 20, 2025 · 7 min · Whelan Wilansky