GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Ignition Type

Coil Over Plug

Firing Order

1-2-3-4-5-6

Spark Plug Type

GM P/N 90541059

Spark Plug Torque

25 N·m

18 lb ft

Spark Plug Gap

0.9-1.1 mm

0.035-0.043 in

Primary Coil Current Output

7-8 Amps