5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

oil pressure low?

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Old 07-31-2005, 04:12 PM
  #1  
w8less
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Default oil pressure low?

i noticed just a lil bit ago that my oil pressure is low how do i narrow down whats wrong? the motor is new and only has like 4000 miles on it. that and she sits alot so i just drive my gas beater but when i do drive it she sees 4-5grand quite often. any help is much apprecaited.

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Old 07-31-2005, 04:23 PM
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91lxstang
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Default RE: oil pressure low?

check to make sure ur not just low on oil
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Old 07-31-2005, 04:30 PM
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69mach1377
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Default RE: oil pressure low?

How many PSI is it reading?
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Old 07-31-2005, 04:55 PM
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w8less
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Default RE: oil pressure low?

its not low on oil just checked that a little bit ago and on where its says normal on the guage its reading at like the oil, where as yesterday it was at like the m to a in normal hope my that helps


could it be the oil pump or oil sending unit?
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Old 07-31-2005, 10:34 PM
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69mach1377
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Default RE: oil pressure low?

ORIGINAL: 69mach1377

How many PSI is it reading?
You really can't trust the stock gage and sending unit...
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Old 07-31-2005, 11:29 PM
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90GT
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Default RE: oil pressure low?




That same thing happened to me yesterday. Usually it's at the half mark when I'm driving. Well yesterday I was driving on the freeway and it was around 20psi and at idle it fluctuated between 0 and 10. I replaced it today with a mechanical guage and now it's around 25 to 30 at idle and 50 to 60 on the freeway. Damn stock guage almost gave me a heart attack.lol
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