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Unread 05-08-2014, 05:59 PM   #1
austinkoceja
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1998 cherokee low oil pressure

So I was sitting in a drive thru and it starting making noise and shaking a little ip front and oil pressure dropped and won't go back up unless I put my foot in the gas ...any ideas ?

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Unread 05-09-2014, 12:18 PM   #2
BIGBADWOLF
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Idling too low??
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Unread 05-09-2014, 10:27 PM   #3
XJTexas
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Could be as simple as a cylinder misfiring for some reason. Check your spark plugs and plug wires first and see if that fixes it. You can pull off one plug wire at a time and if you get NO change at all when pulling one of them off then that is your problem cylinder.
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Unread 05-10-2014, 06:27 AM   #4
chapmangm32
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Low oil pressure could be coming from a worn oil pump. It may not have gone completely out, which is why you get pressure with higher rpms. First thing I would do is find out exactly where the noise is coming from
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Unread 05-10-2014, 07:15 AM   #5
BIGBADWOLF
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As long as oil pressure increases with rpm I would not be too concerned. Low pressure at idle is not serious. Mine has had only 4psi for years and thousands of miles.
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Unread 05-10-2014, 01:42 PM   #6
XJTexas
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Quote:
Originally Posted by chapmangm32
Low oil pressure could be coming from a worn oil pump. It may not have gone completely out, which is why you get pressure with higher rpms. First thing I would do is find out exactly where the noise is coming from
Agreed!
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Unread 05-10-2014, 01:43 PM   #7
XJTexas
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Quote:
Originally Posted by BIGBADWOLF
As long as oil pressure increases with rpm I would not be too concerned. Low pressure at idle is not serious. Mine has had only 4psi for years and thousands of miles.
Agreed!
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Unread 05-11-2014, 08:57 AM   #8
rjbruzan
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Also when was the last oil change. Is it reasonably fresh? As it gets older the pressure will drop as the oil gets old.
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Unread 05-12-2014, 04:32 PM   #9
austinkoceja
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Thanks guys I'm not to worried about it now and .I changed the oil the day before
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Unread 05-12-2014, 07:28 PM   #10
rjbruzan
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Maybe you banged the sending unit. Its right above the oil filter.
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