Question about 2001 Isuzu Trooper

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Excessive Oil consumption, 2001 Isuzu Trooper, V-6, 94,000 miles

Have owned this SUV since it had 6000 on the clock.
It has been well maintained with regular oil changes, etc.
For some time now, I've had to closely watch the oil level.
It is now going through a quart every 600 miles.
I think this is a sign of something very bad to come.
I've already had to put a trans in it, burned up at 82,000 miles.
There are absolutely no leaks, I've gone over it thoroughly.
Burning a quart every 600 miles must indicate something serious.
Do you agree? Any ideas?
Thanks
Vic

Posted by on

  • vicpd Dec 09, 2008

    I mentioned the miles in the title line.

    It has 94,000 miles on it.

    Thanks very much for the feedback!

  • ftdalton Dec 23, 2008

    I havw owned a 2000 trooper from 90000 mi to now it has 150000 mi. The oil consumption is increaseing from 1 qt every 1500 at 90000 to 1 qt every 500 now. It should be the seal of the rings but reading the internet it may be other internal leakage to the combustion chamber. It doesnot leak oil. The other problem is on occation with a cold start it runs ruff spits and rpms vary for about 30 sec to 1 minute then runs fine for the rest of the day. This may be caused by exhaust system with too much carbon.

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The Isuzu rep. says that it is normal for one to use a quart of oil every 750 to 1200 miles per. Isuzu motor co. I have worked for a dealer for over 15 years. I have seen a few of them come in with no oil in them because people never checked it. They thought they were good until the next oil change. Remember these vehicles have a 4.55 gear in the rear end and running 80 or faster on the highway it will be wound up tight.

Posted on May 05, 2009

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600 perquart miles is a piston ring sealing issue, U don't say the miles on the car, but it is rings.

Posted on Dec 09, 2008

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