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1993 Nissan Sentra Car makes very loud motorcycle noise?

Tiny
ACALLSHIM
  • MEMBER
  • 1993 NISSAN SENTRA
  • 4 CYL
  • FWD
  • MANUAL
  • 19,000 MILES
I have a 1993 manual Nissan sentra with 190,000 miles on it. I bought it from a man who kept it in very good condition a year and a half ago, but just recently I have noticed that it makes (not always) a very loud motorcycle or souped up subaru like noise (almost like a very deep purr), when it is making this noise it uses a very large amount of gas and the car often needs more oil when it does this for too long. It doesnt always make this noise it can happen when I just start the car and may go away once I drive it for awhile or it can be fine when I start it and then start making the noise after driving a ways. Any ideas on what this problem may be and ways to fix it?
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Thursday, July 30th, 2009 AT 11:09 AM

4 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
This is a tough one. Does the sound seem to come from the engine compartment, under the car?
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Thursday, July 30th, 2009 AT 8:45 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
I would suspect exhaust system and check for sure exhaust manifold
good luck
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Thursday, July 30th, 2009 AT 8:47 PM
Tiny
ACALLSHIM
  • MEMBER
  • 2 POSTS
The noise comes from the engine. Thanks = )
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Saturday, August 1st, 2009 AT 10:17 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
I'm glad you got it figured out. I thought it was a different type of sound. Something louder than it should have been. Regardless, thanks for using 2carpros. Com, and if you have questions in the future, let us know.

Joe
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Saturday, August 1st, 2009 AT 2:12 PM

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