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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (3.0L Diesel - DTCS P01CD-00 To P0402-00) >> DTC Troubleshooting >> P0402-00-EGR Flow Excessive Detected >> Possible Causes

Possible Causes

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Possible Causes
AIR FILTER
INTAKE SYSTEM AIR LEAKS OR RESTRICTIONS
EGR AIR FLOW CONTROL VALVE
EGR COOLER AND TUBES RESTRICTED
EGR VALVE
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