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2004
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Grand Cherokee Overland, AWD
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Engine Performance
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Ignition System
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Ignition Control
Ignition Control
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Ignition Control - 4.0L/4.7L
Description
Operation
Specifications
Engine Firing Order - 4.0L 6-Cylinder Engine
Engine Firing Order-4.7L V-8 Engine
Ignition Coil Resistance - 4.0L Engine
Ignition Coil Resistance-4.7L V-8 Engine
Ignition Timing
Spark Plugs
Torque - Ignition System
Auto Shut Down Relay
Description - Pcm Output
Operation
Operation - Pcm Output
Operation - ASD Sense - Pcm Input
Removal
Installation
Camshaft Position Sensor
Description
Description - 4.0L
Description - 4.7L
Operation
Operation - 4.0L
Operation - 4.7L
Removal
Removal - 4.0L
Notes
Sensor Only - 4.0L
Oil Pump Drive And Sensor - 4.0L
Removal - 4.7L
Installation
Installation - 4.0L
Sensor Only - 4.0L
Oil Pump Drive And Sensor - 4.0L
Installation - 4.7L
Coil Rail
Description
Operation
Removal
Installation
Ignition Coil
Description
Operation
Removal
Installation
Ignition Coil Capacitor
Description
Operation
Removal
Installation
Knock Sensor
Description
4.7L High-Output Engine
Operation
4.7L High-Output Engine
Removal
4.7L High-Output Engine Only
Installation
4.7L High-Output Engine Only
Spark Plug
Description
Notes
Except 4.7L H.O. Engine
4.7 L H.O. Engine
H.O. Gap Adjustment
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
Pre-Ignition Damage
Spark Plug Overheating
Removal
Cleaning
Except 4.7L H.O. Engine
4.7L H.O. Engine
Installation