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Home >> Jeep >> 2007 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0271 To P0441 >> P0440-General EVAP System Failure >> Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    With the engine running after a cold start, the difference between ECT and AAT less than 10° C (18° F), fuel level between 12% and 88%, manifold vacuum greater than a minimum value, ambient temperature between 4° C and 37° C (39° F and 89° F) and altitude less than 8500 feet.

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