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Cadenza Base
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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)
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DTC P0091: Fuel Pressure Regulator 1 Control Circuit Low
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Specification
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Signal Waveform & Data
Signal Waveform & Data
Fig 1: Screen Display - Normal Graph Of Spill Valve Pulse Length At Starting (Time Between A And B Approx. 37Sec.)
Courtesy of KIA MOTORS AMERICA, INC.
Fig 2: Screen Display - Normal Graph Of Spill Valve Pulse Length At Idle
Courtesy of KIA MOTORS AMERICA, INC.
Fig 3: Screen Display - Normal Graph Of Spill Valve Pulse Length At Approx. 3000RPM
Courtesy of KIA MOTORS AMERICA, INC.
Fig 4: Screen Display - Normal Graph Of Spill Valve Pulse Length At WOT
Courtesy of KIA MOTORS AMERICA, INC.