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Home >> Ford >> 2002 >> Crown Victoria Base, 4.6 9 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Controls - System Tests A Through FB - EEC-V - Gasoline & NGV) >> Test Dd: Fuel Rail Pressure Sensor >> Diagnostic Aids

Diagnostic Aids

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

Perform this test when directed by QUICK TEST. This test is intended to diagnose the following:

FRP SENSOR VOLTAGE-TO-FUEL PRESSURE CONVERSION

Volts psi (kPa)
Natural Gas Vehicles
4.5 150 (1034)
4.1 140 (965)
3.7 130 (896)
3.3 120 (827)
2.9 110 (758)
2.5 100 (689)
2.1 90 (620)
1.7 80 (551)
1.3 70 (482)
0.9 60 (413)
0.5 50 (344)
0.1 40 (275)
0.0 37.5 (258.56)
Except Natural Gas Vehicles
4.5 70 (482)
3.9 60 (413)
3.4 50 (344)
2.8 40 (275)
2.2 30 (207)
1.6 20 (138)
1.1 10 (69)
0.5 0.0 (0.0)