Join Date: Aug 2018
Location: Southern Indiana
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The gauge is not really a pressure gauge -- merely a feel good indicator
the pressure switch trips at 5-7 psi
so if you are seeing the 'gauge' drop at idle, you have less than 5 psi oil pressure
There is a pressure port on the front of the oil cooler housing, that you could connect a real gauge
metric threads, would need an adaptor
One thing you could check is the pressure regulator -- looking at the crank pulley -- about 8 o'clock
take the plunger out and see if it is stuck/scored or any debris in the bore
How many miles on the engine?
seem to idle smoothly?
any thumping in the intake or exhaust?
In my defense, I was unsupervised
2006 F250 Lariat FX4 cclb
Torque Pro and OBDLink MX bluetooth monitor
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