Whats wrong with my car

Tiny
LEXI MAINS
  • 2000 ALL OTHER MAKES ALL OTHER MODELS
  • 150,000 MILES

I am going though a full tank of gas in 2 days driveing 40-50 miles a day and I have to put a curt of oil in ever 2 -3 days it is not leaking out anywhere ans one I had my oil changed they said the had no ideah what was wrong with it it also is blowing out black smoke sometimes it is a 2000 olds mobile intrigue with a v6 ingen

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Saturday, September 29th, 2012 AT 8:01 PM

2 Replies

Tiny
HMAC300
  • EXPERT
  • 47,591 POSTS

Check to see if you have a vacuum leak or a blown intake gasket.

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Saturday, September 29th, 2012 AT 8:08 PM
Tiny
KHLOW2008
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  • 42,003 POSTS

The black smoke indicates the engine is running rich and this would mean increased fuel consumption.

The oil loss could be oil being burnt in the cylinders and the black smoke is covering it up.

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Saturday, September 29th, 2012 AT 8:09 PM

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