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Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2050 (Engine Controls - Diagnostic Subroutines - 6.4L 99R Diesel -- F250-F550 Super Duty) >> Performance Diagnostic Procedures >> Fuel Conditioning Module Inlet Restriction Test >> Purpose

Fuel Conditioning Module Inlet Restriction Test: Purpose

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The purpose of this test is to isolate the cause of low fuel pressure.

Electric Fuel Pump Inlet Restriction 

Measure restriction at fuel pump inlet.

Instrument Specification Measurement
0-30 in-Hg Vacuum gauge 6 in-Hg MAX  
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