| Specification |
| Item | Specification |
| Coil Resistance (?) | 1.04 ~ 1.27 [23 |
Description Fuel Pressure Regulator Valve is installed on the high pressure fuel pump and controls the fuel amount flowing into the injectors in accordance with the ECM signal calculated based on various engine condition.
Signal Waveform Idle rail pressure regulator waveform
Removal 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative (-) battery terminal. 3. Remove the engine room cover.
Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and fall with lower intensive light.