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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Mercury
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1983
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Cougar/XR7 L4-140 2.3L SOHC Turbo
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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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Technical Service Bulletins
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All Technical Service Bulletins
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Fuel System - Technician's Glossary
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P
P
POWER ENRICHMENT SYSTEM - Provides extra fuel to the engine during periods of high load via a low vacuum signal from the intake manifold.