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Jeep
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1998
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Cherokee 4WD L6-4.0L VIN S
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Engine, Cooling and Exhaust
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Engine
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Technical Service Bulletins
Engine: Technical Service Bulletins
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Customer Interest
Engine - Spark Knock on Acceleration
Engine - Spark Knock/PCM Reprogramming
MIL ON, Engine Misfire DTC's Set
Overview
Repair Procedure
Overview
Decarbonizing Procedure
By Symptom
Customer Interest
Engine - Spark Knock on Acceleration
Engine - Spark Knock/PCM Reprogramming
MIL ON, Engine Misfire DTC's Set
Overview
Repair Procedure
Overview
Decarbonizing Procedure
Driveability
Engine - Spark Knock/PCM Reprogramming
Noise
Engine - Spark Knock on Acceleration
Poor performance
Engine - High Driveability Index Fuels
All Technical Service Bulletins
Engine - Spark Knock on Acceleration
Fuel System/Engine Controls - Manual Revisions
Engine - Spark Knock/PCM Reprogramming
Engine Controls - Miss-Fire Test Revisions
MIL ON, Engine Misfire DTC's Set
Overview
Repair Procedure
Overview
Decarbonizing Procedure
Engine - High Driveability Index Fuels
Fuel Pressure Gauge Adapter - Usage