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Old 10-20-2011, 08:00 AM   #1
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Need help

I have a 94 gt and I was driving yesterday and noticed my oil pressure was alllllll the way on the l.....so I parked it and waited a hour and it was still high.... does anyone know what this means?
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Old 10-20-2011, 08:15 AM   #2
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Re: Need help

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I have a 94 gt and I was driving yesterday and noticed my oil pressure was alllllll the way on the l.....so I parked it and waited a hour and it was still high.... does anyone know what this means?
On the what?
If it is reading abnormally you either have engine/oil pump problems, or the gauge is malfunctioning.
Check your oil level.
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Old 10-20-2011, 08:36 AM   #3
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On the gauge it goes l normal h......and there is too much oil
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Old 10-20-2011, 08:56 AM   #4
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Re: Need help

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On the gauge it goes l normal h......and there is too much oil
def. drain the excess oil.... but are you saying that your gauge is showing low oil pressure?
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Old 10-20-2011, 08:59 AM   #5
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No its showing high
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Old 10-20-2011, 09:10 AM   #6
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Re: Need help

drain excess oil and see what happens
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Old 10-20-2011, 09:51 AM   #7
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Re: Need help

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No its showing high
thats not good...drain it, check it...

could clogged up oild filter cause that??
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Old 10-20-2011, 10:22 AM   #8
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My first 95 was the same way, it was never like that until I changed to a 160 thermostat. The gauge in my current 95 goes to the N, but when you shut it off it swings almost straight down so I'm guessing it would be the same way and this car too appears ti have a 160 thermostat.

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See how low it is at rest? Should be like the volt meter above at rest. Also note there is no red block on the high side of the oil pressure gauge.
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Old 10-20-2011, 12:02 PM   #9
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Re: Need help

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On the gauge it goes l normal h......and there is too much oil
Too much oil is an indication of a blown head, intake or coolant gasket.
Or possibly a fuel pressure regulator has blown the diaphram gasket.

Your crankcase is likely full of:
A- Coolant mixed with oil. (Oil will be a brown, milky color.)
B- Gasoline mixed with oil. (Oil will smell like gasoline and it will catch fire easily.)

DO NOT run the engine again until the cause is found, fixed and the oil and filter have been changed.
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Old 10-20-2011, 02:17 PM   #10
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The thermostat sits normal at rest.... And the oil is not milky......

---------- Post added at 01:17 PM ---------- Previous post was at 01:16 PM ----------

I just got an oil change and now have the correct about of oil and still does the same
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Old 10-20-2011, 02:21 PM   #11
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Possibly a gauge malfunction. Try a new oil sending unit. But I would Def be more worried about why there was to much oil. Did u just get car?
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Old 10-20-2011, 02:39 PM   #12
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Yeah I would be worried if you just got the car. If there was a lot of
Oil in the pan like that then there is something wrong that the buyer is hiding from you that may be a serious problem in the future. But if everything checks out ok with no noises or knocking you might be ok. I would look into a sending unit as they say above. It could be something stupid. Keep us updated.
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Old 10-20-2011, 04:39 PM   #13
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Re: Need help

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The thermostat sits normal at rest.... And the oil is not milky......

---------- Post added at 01:17 PM ---------- Previous post was at 01:16 PM ----------

I just got an oil change and now have the correct about of oil and still does the same
Then the pressure bypass spring/valve in the oil pump must be stuck if the gauge is ok.

Did you check the oil for gasoline?
Any other idea as to why it was overfilled?
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Old 10-20-2011, 05:03 PM   #14
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Im goin through a similar problem with my camaro,and I suspect a fuel pressure regulator as TH stated!...the oil will be thin and deffinatly smell of gass!..i would look into this as best you can before any serious damage!...good luck!
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Old 10-22-2011, 07:18 AM   #15
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Re: Need help

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Originally Posted by Perplehawk View Post
The thermostat sits normal at rest.... And the oil is not milky......

---------- Post added at 01:17 PM ---------- Previous post was at 01:16 PM ----------

I just got an oil change and now have the correct about of oil and still does the same
can u ground it like temp sending unit?, if u can do that to check gauge...
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