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Old 06-07-2012, 07:47 AM   #1 (permalink)
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08 Impala Oil Consumption

I purchased an 08 Impala from Carmax about 6-8 months ago and I've been doing my own oil changes with synthetic oil. The issue I'm having is that somehow I've consumed all the oil between oil changes (I'm not due for another oil change for about 1,000 more miles). My car had alerted me that I had a low oil level as I was turning up an on-ramp. When I checked my oil level, it wasn't even registering on my dipstick so I thought I probably had a leak. So I put it up on a rack at my work and discovered no leaks. However, I did notice that my tailpipe is blackened more than what I would consider normal which leads me to believe it's burning the oil. Is this problem common? How do I fix it? TIA

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Old 06-07-2012, 08:08 AM   #2 (permalink)
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What engine do you have, and whats the mileage?

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
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Old 06-07-2012, 08:14 AM   #3 (permalink)
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I have a V6 and it's at about 40,000

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Old 06-07-2012, 10:45 AM   #4 (permalink)
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Which V6? At 40k miles it is still very much under the powertrain warranty, if its using that much oil you should have the dealer fix it. I ask which motor because the 3.9 and 5.3 use DOD (displacement on demand) which has a history of oil consumption, which from what I hear is remedied by using castrol syntec oil, or by having the DOD tuned out of the PCM. But take it to the dealer first.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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