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1993 Volvo 940
Charge air cooler (Intercooler)
The B230F-Turbo engine employs a turbocompressor to force air into the engine inlet manifold and a
charge air cooler to cool the compressed inlet air. The resulting increase in air flow raises pressure in the
intake manifold by approx. 8 psi (over atmospheric pressure) and engine power output by approx. 46
horsepower over that developed by the normally-aspirated engine.
The charge air cooler (which resembles a radiator) is located between the turbocompressor and inlet
manifold.
pg. 8:10 Servicing (cont.)
Evaporative control system
The 940 is equipped with a gas-evaporative control system, which prevents gasoline fumes from being
released into the atmosphere. The system is comprised of an expansion chamber in the fuel tank, and a
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