High LPOP Pressure
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Senior User
Joined: Nov 2008
Posts: 103
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From: Baltimore
High LPOP Pressure
I noticed this evening that my low pressure oil pressure was much higher than normal. I have a LPOP gauge that typically reads 12 psi or so at idle. This evening I was seeing 75psi with a warm engine. Every little acceleration pegged the gauge over 100psi.
The factory non-functioning gauge says that everything is normal.
How concerned do you think that I should be?
I am about due for an oil change. I was thinking that I would change the oil and filter as soon as possible and temporarily plumb in my mechanical gauge to see if the high pressure reading is real or not. I replaced the stock LPOP about 3 years ago with a melling and everything has been golden up until now.
Any other ideas for things to check?
The factory non-functioning gauge says that everything is normal.
How concerned do you think that I should be?
I am about due for an oil change. I was thinking that I would change the oil and filter as soon as possible and temporarily plumb in my mechanical gauge to see if the high pressure reading is real or not. I replaced the stock LPOP about 3 years ago with a melling and everything has been golden up until now.
Any other ideas for things to check?
Hotshot
Joined: Jan 2011
Posts: 18,849
Likes: 179
From: Puget Sound
Sounds like a sensor to me. Do you have any other EV2 pressure gauges? Many of the sensors are 0-100 PSI with a range of 0-5 volts output. My Fuel pressure gauge doubles as a boost gauge, I just installed a switch to select the function I need at a given time. You can take a fuel pressure sensor and swap it to the oil pressure port.
Lead Driver
Joined: Sep 2010
Posts: 7,793
Likes: 50
Hit up Tugly's magic kingdom (Harbor Frieght), get yourself a 18" flexible grease gun hose, a 0-100 liquid filled gauge, a 1/8npt coupling(to connect hose to gauge), and then find yourself a hydraulic store and get a #4orb X 1/8npt(f) adaptor... Then plumb gauge setup to the hpop resivoir plug and fire up truck
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