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Jul 4, 2017 | 07:03 PM

wheelerg

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2005

I was wondering if the oil pressure gauge would work properly with a different sender. Or is it the gauge that will not read pressure?

Jul 4, 2017 | 07:29 PM

HT32BSX115

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From: Upper Left Coast

Quote:

Originally Posted by wheelerg

Changed oil from 5w40 to 15w40 synthetic. Now I have a miss from 140 to 160 coolant temp. Probably a bad injector. But I was wondering if the oil pressure gauge would work properly with a different sender. Or is it the gauge that will not read pressure?

Your oil pressure gage reads "normal" over a wide range of actual pressure

AND, I'll also add that 15W-40 synthetic and 5W-40 synthetic are both 40 weight oils

Jul 5, 2017 | 09:02 PM

wheelerg

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Has anybody tried an oil pressure sender off of a vehicle that the gauge actually moves with the oil pressure?

Jul 5, 2017 | 09:34 PM

FiznUKa

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From: Salt Lake City, utah

The oil pressure sensor for the gauge in the dash is only going to read the LPOP not the injector pressure.

Jul 5, 2017 | 11:09 PM

wheelerg

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The LPOP pressure question I was asking , is it the sender or is it the gauge that will not read the pressure as it changes? Every other Ford truck that I have owned has a functioning oil pressure gauge.

Jul 5, 2017 | 11:26 PM

FiznUKa

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I wish I could answer that question but my guess would be the sender. Can I ask why you would want to know the pressure? I'm curious

Jul 6, 2017 | 12:43 AM

87crewdually

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From: So. Jersey

Quote:

Originally Posted by wheelerg

If I remember right, it was in 1987 that all Ford trucks oil gauge from the factory uses a pressure switch that is only an indicator of pressure above 7psi., not an actual pressure sensor like the older trucks.
There is a mod to use a sensor but I think you also need to modify the cluster on trucks in the 90's.
03-07 Superduties I'm not sure if it has been done or not. Really I don't see the importance because if there is no oil being pumped up to the reservoir for the HPOP it won't run anyways.

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Jul 6, 2017 | 09:51 AM

wheelerg

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Thank you for the info. I am going to add a separate mechanical gauge off my bypass oil filter head.

Jul 6, 2017 | 03:35 PM

#10

Rusty Axlerod

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From: L.A. (Lower Alabama)

Here is a link to the background of the "idiot Gauge". Fairly entertaining and good info but unfortunately doesn't answer your exact question. I looked around the site a few years ago and didn't find an answer but it would be a good jumping off place if you want to research a bit.

Ford Oil Pressure Gauge Fix