Operation CHARM
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Audi
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1984
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4000,S L4-1781cc 1.8L SOHC (JN)
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Evaporative Emissions System
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Specifications
Evaporative Emissions System: Specifications
Evaporative emissions control system (
fuel tank
, filler neck, vent lines) should hold 1.3 inches of mercury (in. Hg). Pressure should not drop below 1.2 in. Hg within 5 minutes.