LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Kia
>>
2021
>>
K5 GT-Line, AWD
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Control System Diagnosis - 1.6L (1 Of 7)
>>
DTC P0091-00: Fuel Pressure Regulator 1 Control Circuit Low
>>
DTC Information
>>
DTC Detecting Condition
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC Information: DTC Detecting Condition
Item
Detecting Condition
Possible Cause
DTC Strategy
Circuit check
Poor connector connection
Short circuit to ground
FPCV
Enable Conditions
Normal battery voltage (10 to 16V)
Threshold Value
Short circuit to ground
Diagnostic Time
Continuously
MIL ON Condition
2 driving cycles