Check Fuel Pressure Sensor Performance
- Ignition switch is turned "OFF".
- Start the engine.
- Measure the voltage between signal terminal of fuel pressure sensor harness connector and ground.
Specification: Approx. 1.0 ~ 2.5V (at Idle)
- Is the measured voltage normal?
YES
- Visually check contamination by foreign material at fuel pressure sensor and Clear DTC and Test-drive under the enable conditions. After the road test, go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- Substitute with a known-good fuel pressure sensor and check for proper operation. If the problem is corrected, replace fuel pressure sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.