FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Honda
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1993
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Prelude L4-2.2L DOHC (VTEC)
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Starting Air Valve
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Description and Operation
Starting Air Valve: Description and Operation
Description
When cranking the engine, the air boost valve supplies additional air to the intake manifold to ease engine starting.