GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Ignition Type

Waste Spark Cassette W/Compression Sense

Firing Order

1-3-4-2

Spark Plug Torque

20 N·m

15 lb ft

Spark Plug Gap-Replacement

1.1-0.95 mm

0.043-0.037 in

Spark Plug Gap-Original

1.0-1.16 mm

0.040-0.045 in