Note. This information is intended as a quick reference for firing order and cylinder identification only. The information provided covers many vehicles and may include some information that does not apply to the vehicle you have currently selected.
3 CYLINDER ENGINE
Engine Configuration Firing Order Cylinder Identification In-Line 3 1-3-2
4 CYLINDER ENGINE
Engine Configuration Firing Order Cylinder Identification In-Line 4 1-3-4-2
5 CYLINDER ENGINE
Engine Configuration Firing Order Cylinder Identification In-Line 5 1-3-5-4-2
Scheme 1
IN-LINE 6 ENGINE
Engine Configuration Firing Order Cylinder Identification In-Line 6 1-5-3-6-2-4
Scheme 2
2.5L V6 Engine - Tracker
Engine Configuration Firing Order Cylinder Identification 2.5L Tracker 1-2-3-4-5-6
Scheme 3
3.5L VIN 4 V6 Engine
Engine Configuration Firing Order Cylinder Identification 3.5L VIN 4 1-4-2-5-3-6
3.8L & 4.3L V6 Engines
Engine Configuration Firing Order Cylinder Identification 3.8L & 4.3L 1-6-5-4-3-2
All Other V6 Engines
Engine Configuration Firing Order Cylinder Identification All Others 1-2-3-4-5-6
4.0L, 4.4L & 4.6L V8 Engines
Engine Configuration Firing Order Cylinder Identification 4.0L, 4.4L, 4.6L 1-2-7-3-4-5-6-8
5.0L, 5.7L (VIN R & VIN K) & 7.4L V8 Engines
Engine Configuration Firing Order Cylinder Identification 5.0L, 5.7L (VIN R & K), 7.4L 1-8-4-3-6-5-7-2
Scheme 4
6.6L Diesel V8 Engine
Engine Configuration Firing Order Cylinder Identification 6.6L Diesel 1-2-7-8-4-5-6-3
All Other V8 Engines
Engine Configuration Firing Order Cylinder Identification All Others 1-8-7-2-6-5-4-3