hey wudda you know. weird problem?
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Senior Member
Joined: Jun 2009
Posts: 562
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From: pennsylvania
Year: 1995
Model: Cherokee
Engine: 4.0 liter
while i drive my oil fluctuates.. it will go down on stop signs to the first mark or sometimes under. but when i press gas it goes up to middle. checked oil and its above safe line. what is the beef?
Thread Starter
Senior Member
Joined: Jun 2009
Posts: 562
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From: pennsylvania
Year: 1995
Model: Cherokee
Engine: 4.0 liter
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Joined: Jan 2010
Posts: 189
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From: St Augustine, Fl
Year: 1999
Model: Cherokee
Engine: 4.0 Power Tech
It will drop at idle and climb during acceleration. This is a normal thing, the oil pump runs off the distribiter shaft. At idle the oil pump is turning at lower rpms and as you increase rpm the pump turns faster, thus low presure at idle and higher presure at driving speed. Just worry when it doesnt do this,
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Thread Starter
Senior Member
Joined: Jun 2009
Posts: 562
Likes: 0
From: pennsylvania
Year: 1995
Model: Cherokee
Engine: 4.0 liter
It will drop at idle and climb during acceleration. This is a normal thing, the oil pump runs off the distribiter shaft. At idle the oil pump is turning at lower rpms and as you increase rpm the pump turns faster, thus low presure at idle and higher presure at driving speed. Just worry when it doesnt do this,
CF Veteran
Joined: Feb 2010
Posts: 12,367
Likes: 23
From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
Senior Member
Joined: Feb 2010
Posts: 681
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From: errrvre where
Year: 1996
Model: Cherokee
Engine: I6 4.0L HO, JBA headers, 99 intake, #703 injectors
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