Chrysler Concorde 2004 Service Manual page 830

DRIVEABILITY - NGC
P0405 - EGR POSITION SENSOR LOW —
TEST
9 NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.
Repair
10 NOTE: The engine will run rough and possibly stall in the following test.
Feather the accelerator pedal to keep the engine from stalling.
Start the engine.
With the DRBIII , enter Engine System Test and then EGR System Test. Push the
4=VARIABLE function.
Monitor the EGR voltage while slowly pushing the up arrow.
Is the voltage change smooth?
Yes → Refer to the INTERMITTENT CONDITION symptom in the
No
ACTION
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
→ Replace the EGR Solenoid Assembly.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Continued
172
APPLICABILITY
All
All