Monitor Scantool Data
1.

Connect scantool to Data Link Cable (DLC).

2.

Warm up engine to normal operating temperature.

3.

Monitor that " Fuel Pressure Regulator " parameter on the scantool.

Fig 1) Normal value with fuel pressure regulator and fuel pressure at idle.

Fig 2) Normal value with fuel pressure regulator and fuel pressure while accelerating and decelerating.

4. Is the Current data displayed correctly ?

YES

▶ Fault is intermittent caused by poor contact in the sensor’s and/or ECM’s connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification vehicle Repair" procedure.

NO

▶ Go to "W/Harness Inspection" procedure.

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