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1999 Isuzu Trooper oil use

Tiny
VEGGIGUY
  • MEMBER
  • 1999 ISUZU TROOPER
  • 6 CYL
  • 4WD
  • MANUAL
  • 121,000 MILES
Why do Isuzu Troopers use so much oil and is there any repair that will stop that short of a complete rebuild? We had a 94 and a 93 and now a 98 and a 99 that uses about a quart in 500 miles. The 98 only has about 89,000 on it and the 99 only has around 122,000 on it. My mechanic can find no sign of leaking on the 99. Thanks.
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Tuesday, January 5th, 2010 AT 8:31 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
Is there blue smoke from the exhaust?
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Tuesday, January 5th, 2010 AT 9:22 AM
Tiny
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The 98 has blue smoke for about 15 seconds when cold. I haven't noticed it at all with any of the other Troopers.
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Friday, January 8th, 2010 AT 3:51 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,645 POSTS
If it only burns it at start up, I would say it has bad valve guide seals. When they are bad, they will allow oil to drain down to the valve and enter the combustion chamber when it's first started. If the smoke goes away, that is my first guess.

Let me know if you have other questions.

Joe
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Saturday, January 9th, 2010 AT 1:28 AM

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