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Wrangler Unlimited
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Ignition System
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Ignition Control
Ignition Control
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Ignition Control
Description
Operation
2.4L
4.0L
Specifications
Specifications - Ignition Timing
Engine Firing Order - 2.4L 4-Cylinder
Engine Firing Order - 4.0L 6-Cylinder Engine
Ignition Coil Resistance - 2.4L
Ignition Coil Resistance - 4.0L Engine
Spark Plugs
Specifications - Spark Plug Cable Resistance
Specifications - Torque - Ignition System
Auto Shut Down Relay
Description - Pcm Output
Operation
Operation - ASD Sense - Pcm Input
Operation - Pcm Output
Diagnosis And Testing - ASD And Fuel
Pump Relays
Removal
Installation
Camshaft Position Sensor - 2.4L
Description - 2.4L
Operation - 2.4L
Removal - 2.4L
Installation - 2.4L
Camshaft Position Sensor - 4.0L
Description - 4.0L
Operation - 4.0L
Removal - 4.0L
Sensor Only - 4.0L
Oil Pump Drive And Sensor - 4.0L
Installation - 4.0L
Sensor Only - 4.0L
Oil Pump Drive And Sensor - 4.0L
Coil Rail - 4.0L
Description - 4.0L
Operation - 4.0L
Removal - 4.0L
Installation - 4.0L
Ignition Coil - 2.4L
Description - 2.4L
Operation - 2.4L
Removal - 2.4L
Installation - 2.4L
Spark Plug
Description
Operation
Diagnosis And Testing - Spark Plug Conditions
Normal Operating
Cold Fouling/Carbon Fouling
Wet Fouling Or Gas Fouling
Oil Or Ash Encrusted
Electrode Gap Bridging
Scavenger Deposits
Chipped Electrode Insulator
Preignition Damage
Spark Plug Overheating
Removal
2.4L
4.0L
Cleaning
Cleaning Spark Plugs
Installation
Notes
2.4L
4.0L
Spark Plug Cable
Description
Operation
Diagnosis And Testing
Testing
Removal - 2.4L
Installation