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Home >> Ford >> 2000 >> Excursion 7.3 F, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls System & Engine Component Tests - EEC-V (Diesel 7.3L 99F E Series & 99F F450/550) >> Engine Performance Diagnosis >> Injection Control Pressure Tests (Oil Aeration - Poor Idle Quality) >> Low Idle Stability (ICP Pressure) Test

Low Idle Stability (ICP Pressure) Test

  1. Ensure engine is at normal operating temperature. Using scan tool, access ICP PID from PID/DATA monitor menu. Start engine and allow it to idle.
  2. Check PID value. PID value should be 400-600 psi (2758-4137 kPa). If PID reading is not as specified, or idle does not stabilize, disconnect ICP sensor. Sensor is located at top left side of engine.
  3. If idle is now stabilized, fault is in ICP sensor circuit. Perform TEST DC in SELF-DIAGNOSTICS - EEC-V (DIESEL) article. If idle still does not stabilize, replace Injection Pressure Regulator (IPR) and retest.
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