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2003
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Optima L4-2.4L
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Pressure, Vacuum and Temperature Specifications
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Fuel Pressure
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Fuel Pressure
Fuel Pressure
Vacuum hose disconnection
330 - 350 kPa (47 - 50 psi)
at Curb Idle
Vacuum hose connection
270 kPa (38 psi)
at Curb Idle
Fuel Pressure Regulator
Injector opening Pressure
300 ± 1.5 kPa (3.35 ± 0.06 kg/sq.cm)