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2000 Grand Prix P0449 EVAP Emission Control System

Tiny
CPUJOE
  • MEMBER
  • 2000 PONTIAC GRAND PRIX
Getting error code P0449 and poor gas mileage (down about 25%)

"EVAP Emission Control System Vent Vlv/Solenoid Malfunction"

Does that mean the solenoid is malfunctioning or it is just tripping the sensor? Where is this solenoid?

2000 Pontiac Grand Prix GT
~96,000
Automatic V6

No serious past engine history.

Can anyone help?

I donated. Thanks in advance.
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Tuesday, May 22nd, 2007 AT 12:32 PM

3 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Vent solenoid. Behind left side of rear fascia splash shield, behind wheel well
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Tuesday, May 22nd, 2007 AT 3:36 PM
Tiny
CPUJOE
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  • 2 POSTS
Ok, so do you think that the solenoid failed or that the sensor just went off and it's something else?
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Tuesday, May 22nd, 2007 AT 3:53 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Most likely the solenoid, if the valve is cheap id probably do it just for laughs.
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Tuesday, May 22nd, 2007 AT 5:14 PM

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