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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2008
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Civic Si L4-2.0L
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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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Throttle Body
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Description and Operation
Throttle Body: Description and Operation
Throttle Body
The
throttle body
is a single-barrel side draft type. The lower portion of the throttle valve is heated by engine coolant from the cylinder head to prevent icing of the throttle plate.