KN6 - Check FPRC Solenoid VPWR

- Key "OFF".

- Fuel Pressure Regulator Control (FPRC) solenoid disconnected.

- Key "ON", engine "OFF".

- Measure voltage between VPWR at FPRC solenoid vehicle harness connector and battery ground.

- Is voltage greater than 10.5 volts?

Yes -- Go to KN7. KN7 - Check FPRC Circuit Continuity

No -- Service open in VPWR harness circuit. Reconnect FPRC solenoid. Rerun quick test and/or verify elimination of drive symptom. Quick Test Appendix (Detailed Testing Instructions)