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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 488 (Powertrain Diagnostic Procedures - Gas) >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P0441-EVAP Purge System Performance >> 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.

GOOD TRIP EQUAL TO ZERO

NVLD SWITCH OPERATION

VEHICLE HISTORY AND SERVICE BULLETIN INVESTIGATION

CHECKING EVAP PURGE SOLENOID FUNCTIONALITY

EVAP PURGE SOLENOID VACUUM SUPPLY

VERIFY NVLD OPERATION

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