GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 4WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Ignition System Specifications

Application

Specification

Metric

English

Firing Order

1-6-5-4-3-2

Spark Plug Wire Resistance

1,000 ohms per ft

Spark Plug Torque

15 N·m

11 lb ft

Spark Plug Gap

1.52 mm

0.06 in

Spark Plug Type

R41-932 [AC plug type]