System Inspection

WARNING: This page is about a different variant/trim than selected.

■ Check Fuel Pressure Regulator

Fuel Pressure Regulator performance check by measuring voltage and current.

Back probe and measure voltage by using and connecting channel A (+) voltage probe to High side and channel A (-) voltage prove to Low side.
Measure operation current by using Low Current Sensor Module.

Fig 1: Screen Display - Engine Idle After Warm Up
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Screen Display - Fuel Rail Pressure Sensor (Approx. 2000RPM)
Courtesy of KIA MOTORS AMERICA, INC.
Are condition of checked item normal?
YES
- Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Recheck the item from this troubleshooting guide steps, and replace or repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.