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OBD-II Trouble Shooting Got a code reader? Find out what your GM car's Check Engine light is trying to tell you (and then turn Check Engine light off).

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Old 09-27-2009, 12:22 PM   #1
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Default P1441



Evaporative (EVAP) emission system includes following
components: fuel tank, EVAP vent solenoid, fuel tank pressure sensor,
fuel pipes and hoses, vapor lines, fuel cap, EVAP emission canister,
purge lines, and EVAP purge solenoid.
A leaking purge solenoid, EVAP purge and engine vacuum lines
switched at EVAP purge solenoid, or EVAP purge solenoid driver circuit
shorted to ground, will set DTC P1441.

You likely won't notice any drivability problems.


  • EVAP purge vacuum switch open.

  • Check for incorrect vacuum hose routing or damage.
  • Check for faulty connections or damaged harness.
  • Replace EVAP purge solenoid.
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