LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Kia
>>
2019
>>
Optima S
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Control System Diagnosis (1 Of 6) (PHEV)
>>
DTC P0091-00: Fuel Pressure Regulator 1 Control Circuit Low
>>
Specification
>>
Signal Waveform & Data
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Signal Waveform & Data
Courtesy of KIA MOTORS AMERICA, INC.
Courtesy of KIA MOTORS AMERICA, INC.