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

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Old 05-24-2007, 05:31 PM
  #1  
nacanitihs
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Default oil pressure

ok my oil pressure gauge fluxuates from a notch down from horizintal to a little above horizontal.. this is really agrivating me and i dont know how to fix it.. i just replaced the oil sending unit.. i have a pcv valve that i bought at autozone but i havent installed it yet.. does anyone have n e ideas?
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Old 05-24-2007, 05:35 PM
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86 5.0L
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Default RE: oil pressure

mine is also the same way when oil is low...

I was 2 quarts low....

[&:]
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Old 05-24-2007, 08:36 PM
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Default RE: oil pressure

oil is full
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Old 05-24-2007, 09:37 PM
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Default RE: oil pressure

anyone?
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Old 05-24-2007, 09:50 PM
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Default RE: oil pressure

Does the fluctuationcoincide with whether or not the car is idling or actually being driven? If so, the guage is supposed to do that, as the pressure drops at idle.
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Old 05-24-2007, 10:09 PM
  #6  
nacanitihs
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Default RE: oil pressure

oh okay... the thing is it never used to move before i got my HG replaced but it could have had something to do with that
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