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Home >> Hummer >> 2008 >> H3 Alpha >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Engine Controls And Fuel - 4.4L - Introduction) >> Specifications >> Ignition System Specifications
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Ignition System Specifications

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Application Specification
Metric English
Ignition Type Module/Coil Per Cylinder
Firing Order 1-2-7-3-4-5-6-8
Spark Plug Torque 15N.m 11 lb ft
Spark Plug Gap 1.02 mm 0.040 in
Spark Plug Type GM 12592619
Initial spark plug torque on a new cylinder head is 20 N.m (15 lb ft)