Spn 411/Fmi 0; Egr Delta P Sensor Check - Detroit Diesel EPA07 Series 60 DDEC VI Troubleshooting Manual

39.1 SPN 411/FMI 0

This diagnosis is typically EGR differential pressure failed high (High Box).
39.1.1

EGR Delta P Sensor Check

Check as follows:
1. Disconnect the EGR Delta P Sensor.
2. Inspect the EGR Delta P Sensor harness connector for bent, spread or corroded pins.
[a] If connector damage is found, repair as necessary. Refer to section 39.1.1.1.
[b] If no damage is found, go to step 3.
3. Remove the EGR Delta P Sensor.
4. Inspect the sensor tubes for plugging.
[a] If no EGR tube obstructions are found, replace the EGR Delta P Sensor.
Refer to section 39.1.1.1.
[b] If EGR tube obstructions are found clean or replace tubes as necessary.
Refer to section 39.1.1.1.
All information subject to change without notice.
Copyright © 2007 DETROIT DIESEL CORPORATION
SERIES 60 DDEC VI TROUBLESHOOTING GUIDE
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