Operation CHARM
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Volkswagen
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1985
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Golf GTI L4-1781cc 1.8L SOHC (HT)
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Specifications
Ignition System: Specifications
Computer Timing Advance Specifications:
1780cc Engine:
With engine at operating temperature, remove vacuum hose from
control unit
. Increase engine speed to specified rpm and compare timing to specified value.