High Oil Pressure
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New User
Joined: Apr 2007
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High Oil Pressure
f-350, 1989, 7.3IDI, the oil pressure is on the upperside of the "normal" of the guage is this ok and am i just being paranoid?? idk if its me or is something wrong, what could even possibly cause high oil presure? a blocked turbo oil return? it does have an ATS turbo and oil changed every 3500 miles, 180,000 miles on truck now, turbo rebuilt round 120,000
thanks in advance guys
thanks in advance guys
Elder User
Joined: Aug 2005
Posts: 566
Likes: 3
From: New Jersey
Ford gauges are a little screwy. You can get a decent mechanical gauge and tap in to the same connection that the factory gauge uses with a T-fitting. Be sure to bleed air out of the gauge tubing after you connect it.
Posting Guru
Joined: Mar 2005
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From: KY
Fords have been notorious for the voltage regulators in there dashes to go bad.
Well let me throw this in for people who don't know. Dashes have to have a voltage regulator to maintain a constant specific voltage going out to the temp and pressure sensors. If they didn't the gauges would fluctuate with the alternator output. Now that is mechanical clusters or should I say not controlled by a body computer.
Well let me throw this in for people who don't know. Dashes have to have a voltage regulator to maintain a constant specific voltage going out to the temp and pressure sensors. If they didn't the gauges would fluctuate with the alternator output. Now that is mechanical clusters or should I say not controlled by a body computer.
Posting Guru
Joined: Oct 2006
Posts: 1,078
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From: New London, Mo
this dont have nothin to do with high oil pressure but i have an 87 and my old 6.9 motor was showing low oil psi on manual and electric guage i took it out and put in another 6.9 that i know runs and has good oil psi it stayed on M on normal for about a week then went back to showing low ive put guages and all in it and still does it
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