P1183 KIA - Fuel Pressure Regulator Open
P1183 KIA Possible Causes
- Rail pressure regulator circuit.
- Rail pressure regulator component
How is the P1183 KIA code repair?Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
What is the cost to diagnose the P1183 KIA code
Labor: 1.0The cost to diagnose the P1183 KIA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P1183 KIA MeaningRail pressure regulator, which is installed in high-pressure pump, controls rail pressure as regulating fuel quantity supplied to the common rail. ECM performs duty control of rail pressure regulator in order to keep rail pressure at target rail pressure according to current engine loading condition.
As rail pressure regulator duty rises, more fuel flows into common rail so, rail pressure increases.
When rail pressure regulator operation stops due to the power supply cut off to rail pressure regulator, the maximum fuel quantity flows to common rail as passage inside regulator fully opened.
More InformationNeed more information on how to fix the P1183 KIA code?
Get Access to Factory Service Manuals