GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Sierra - 2WD 🢒 Engine 🢒 Engine Controls and Fuel - 4.3L 🢒 Ignition System Specifications

Application

Specification

Metric

English

Firing Order

1-6-5-4-3-2

Spark Plug Wire Resistance

1,200-1,500 ohms per ft

Spark Plug Torque

15 N·m

11 lb ft

Spark Plug Gap

1.5 mm

0.06 in

Spark Plug Type

GM P/N 12607234

AC Delco P/N 41-993