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1988 Isuzu

Tiny
BSTUPASKY
  • MEMBER
  • 1988 ISUZU TROOPER
  • 200,000 MILES
What would cause high oil pressure on a 1988 isuzu 2.6 liter 5 speed
Wednesday, December 15th, 2010 AT 10:46 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Normally a stuck or sticky oil pressure relief valve in the oil pump.

Mark (mhpautos)
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Thursday, December 16th, 2010 AT 9:40 PM
Tiny
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Would that be external of the pump or internal
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Thursday, December 16th, 2010 AT 11:16 PM
Tiny
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Mitchell 1 does not specify this, normally it is, I will see what I can find out for you.

Mark (mhpautos)
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Friday, December 17th, 2010 AT 1:28 AM

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