LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2003 >> Cutaway 7.3 F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing - 7.3L Diesel >> Engine Performance Diagnostic Procedures >> Test 11: Crankcase Pressure Test >> Purpose
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Test 11: Crankcase Pressure Test: Purpose

This test is performed to measure crankcase pressure. Crankcase pressure is an indication of how well cylinders are sealing.