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Home >> Ford >> 2005 >> Excursion 6.0 P, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Pinpoint Tests - 6.0L Diesel (99P F450/550) >> Pinpoint Test AZ: EGR Cooler System Performance >> Introduction >> Fault Detection

Fault Detection

The low idle engine speed is between 600 and 750 RPM. The EGR valve position is greater than.08 volts. The mass fuel desired (MFDES) is between 4 and 16mg/stk, at low idle for a minimum of 30 seconds. No EP, BAP, MAP, pressure signal, IAT, IAT2 temperature signal, VDF fan P0480, or EGR related faults. Fault condition: IAT2 exceeds a calibrated temperature for more than 30 seconds, based on IAT temperature.

NOTE: Visually inspect the harness connectors for corrosion, damage, proper mating, and correct pin tension.
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