Operation CHARM
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1984
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XJ-S V12-5.3L
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Technical Service Bulletins
Engine Control Module: Technical Service Bulletins
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ECU Vacuum Pipe - Knocking Noise
ECU Manifold Vacuum Hose - Detached
All Technical Service Bulletins
ECU Vacuum Pipe - Knocking Noise
No Start May Be Caused By Vacuum Signal Line
ECU Manifold Vacuum Hose - Detached
Tool - Remove Tamper Proof ECU Plug