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Home >> Oldsmobile >> 2003 >> Bravada AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.2L >> Diagnostic Tests >> DTC P1441: EVAP System Flow During Non-Purge >> Test Description

Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 2 -  This step inspects for a leaking EVAP purge solenoid.
  2. 4 -  Removing the fuel fill cap will equalize the pressure inside the tank with atmospheric pressure. At zero in. H2O, the FTP sensor should be about 1.5 volts. If sensor is not, there is a concern with the sensor or related wiring.

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