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Benjamin Flores Posted on Dec 30, 2011
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Code po441 check engine light is on.

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  • Master 1,959 Answers
  • Posted on Dec 30, 2011
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Fault code P0441 usually indicates an issue with the Evap Emision Control System Purge Flow. Possible causes are listed below:

  1. Bad vacuum switch
  2. Broken or damaged EVAP line or canister
  3. Open in PCM purge command circuit
  4. Open or short in Voltage feed circuit to Purge Solenoid
  5. Faulty purge solenoid
  6. Restriction in EVAP solenoid, line or canister
  7. Corrosion or resistance in purge connector
  8. Bad PCM

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P0441 = Evap. Emission Ctrl. System Incorrect Purge Flow. Listed Cause - valve stuck in open position.
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When disconnecting the vacuum hose, make an identification mark on it so that it can be reconnected to its original position.cc59427.jpg 1. Disconnect the vacuum hose (black with red stripe) from the solenoid valve. 2. Detach the harness connector. 3. Connect a vacuum pump to the nipple to which the red-striped vacuum hose was connected. 4. Apply vacuum and check when voltage is applied to the EVAP Canister Purge Solenoid Valve and when the voltage is discontinued.
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