Spark Plug Specifications; Firing Order - Jeep 1987 Wrangler Workshop Manual

ELECTRICAL
IGNITION SYSTEM - RENIX (4-Cyl. Engine)
SPARK PLUG SPECIFICATIONS
ENGINE P L U G T Y P E E L E C T R O D E GAP
S P A R K P L U G
TIGHTENING T O R Q U E
2.5L RC-12 L Y C
0.9 mm (0.035-in)
37 N-m (27 ft-lbs)
100694A
FIRING ORDER
IFRONT
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84950
iEUEiAL HFORiATIOl
The ignition system for 2.5L engines consists of:
• solid-state ignition control module (ICM)
• ignition distributor
• electronic control unit (ECU)
C-74