Ignition System Specifications. GMC Truck Envoy

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 2WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Ignition System Specifications

Application	Specification
Application	Metric	English
Firing Order	1-8-7-2-6-5-4-3
Spark Plug Wire Resistance	1000 ohms per ft
Spark Plug Torque	15 N·m	11 lb ft
Spark Plug Gap	1.01 mm	0.040 in
Spark Plug Type	12571164 [GM part number] 41-985 [AC Delco number]