Operation CHARM
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Volkswagen
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1990
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Jetta L4-1984cc 2.0L DOHC (9A)
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Technical Service Bulletins
Ignition System: Technical Service Bulletins
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Customer Interest
Engine - No Start, Hard Start, or Poor Running
Engine - Misfire
By Symptom
Customer Interest
Engine - No Start, Hard Start, or Poor Running
Engine - Misfire
Driveability
Engine - No Start, Hard Start, or Poor Running
Engine - Misfire
Starting problems
Engine - No Start, Hard Start, or Poor Running
All Technical Service Bulletins
Engine Control Harness Connector Terminals - Replacing
Knock Sensor - Avoiding Unnecessary Replacement
Campaign - Knock Sensor Replacement
Overview
Owner Letter
Qx Work Procedure
Campaign Data Entry Procedure
Engine - No Start, Hard Start, or Poor Running
Engine - Misfire