Noise from rear of car

2009 TOYOTA MATRIX
7,500 MILES
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TOM HAYES
  • MEMBER
  • 1 POST
There's a noise, like the fuel pump or a small air compressor for air shocks, at the rear when the car is off. Comes on intermittenly. Is this normal?
Dec 29, 2011 at 1:32 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
You need to describe the type of noise you're hearing-you're our ears here-we cannot do it over the computer
Dec 29, 2011 at 1:52 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
I would suspect one of the EVAP system vacuum valves. If it is the case, it is not normal but is harmless except it might trigger the MIL.
Dec 29, 2011 at 4:30 AM
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