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Routan SE
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Section 1623 (3.8L - Ignition/Glow Plug System - Engine Code: CGUA)
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28 Ignition/Glow Plug System
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Specifications
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Spark Plug Firing Order
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Spark Plug Firing Order
WARNING:
This page is about a different car, the 2010 Volkswagen Routan and 2009 Volkswagen Routan. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Spark Plug Firing Order
Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
The firing order is 1 - 2 - 3 - 4 - 5 - 6.