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2011
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Optima LX, Standard
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System Diagnosis (1 Of 3) - 2.4L
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DTC P0090: Fuel Pressure Regulator 1 Control Circuit Open
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General Information
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Specification
General Information: Specification
FUEL PRESSURE REFERENCE CHART
RPM
IDLE
1, 500
6, 300
Fault
Fuel Pressure (psi)
580
1305~1450
1958
65
Fuel pressure (bar)
40
90~100
135
4.5