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Noise from rear of car

Tiny
TOM HAYES
  • MEMBER
  • 2009 TOYOTA MATRIX
  • 7,500 MILES
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?
Thursday, December 29th, 2011 AT 9:32 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
You need to describe the type of noise you're hearing-you're our ears here-we cannot do it over the computer
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Thursday, December 29th, 2011 AT 9:52 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 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.
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Thursday, December 29th, 2011 AT 12:30 PM

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