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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4S >> Repair and Diagnosis >> External Pages >> Different car >> Section 1838 (Engine Controls Self-Diagnostics - EEC-V - CNG & Gasoline - System Tests (Evaporative Emissions)) >> System Tests (Evaporative Emissions) >> Test B: DTC P0455: Major Leak Or No Flow Detected In EVAP System Or DTC P1443: Very Small Or No Purge Flow Detected In EVAP System >> Diagnostic Aids

Diagnostic Aids

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Perform this test only when directed by QUICK TEST. DTC P0455 will be set in PCM when it senses a -7 in. H2 O (-1.74 kPa) drop over 30 seconds. DTC P1443 will be set in PCM when it senses a -7 in. H2 O (-1.74 kPa) drop over 30 seconds with more than .02 lb./min. vapor flow.

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