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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> DRIVEABILITY - Diesel - Diagnostic Tests >> P0403-EGR Solenoid Circuit Open Circuit; P0489-EGR Solenoid Circuit Short To Ground >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

INTERMITTENT CONDITION

ASD RELAY OUTPUT CIRCUIT OPEN

EGR SOLENOID CONTROL CIRCUIT SHORTED TO GROUND

EGR SOLENOID CONTROL CIRCUIT OPEN

EGR SOLENOID

ENGINE CONTROL MODULE

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