Outline; Description - Honda Prelude 1993 Service Manual

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ThenewH22A1 engine is an in-line 4-cylinder DoHc design displacing 2,157 cm3 1131 .6 cu in) lt is water

equipped with a center plug type pent-root combustion chamber. lt is specified to use premium unleaded fuel and uses a

pGM-Fl (Sequential Multipon Fuel Iniection) system. This engine incorporates a mechanism called Honda Variable Valve

Timing and Valve Lift Electronic Control (VTEC) System.

This ststem allows the timing and litt oJ the intake and exhaust valves to be changed simultaneously. The engine also in-

cludes a electronically-controlled intake manitold system that varies the volume of the intake chamber.

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