Oil Pressure issues - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 117 (permalink) Old 10-31-2008, 01:58 PM Thread Starter
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Oil Pressure issues

On my way to work this morning coasting down a exit ramp the light came on and the gauge dropped to flat. Back in the throttle, the needle comes back up and light goes off. Bad sender maybe?





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post #2 of 117 (permalink) Old 10-31-2008, 03:07 PM
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Re: Oil Temp idiot gauge

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Originally Posted by PTSUPERD View Post
On my way to work this morning coasting down a exit ramp the light came on and the gauge dropped to flat. Back in the throttle, the needle comes back up and light goes off. Bad sender maybe?
Is it throwing a SES light? I'd say the sender would be a likely culprit.

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post #3 of 117 (permalink) Old 10-31-2008, 03:09 PM
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Re: Oil Temp idiot gauge

Oil temp or oil pressure? I didn't think there was an oil temp on them

-Michael

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post #4 of 117 (permalink) Old 10-31-2008, 03:10 PM Thread Starter
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Re: Oil Temp idiot gauge

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Originally Posted by Deputydog View Post
Is it throwing a SES light? I'd say the sender would be a likely culprit.

Hasnt thrown the light yet....





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post #5 of 117 (permalink) Old 10-31-2008, 03:12 PM Thread Starter
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Re: Oil Temp idiot gauge

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Originally Posted by Charles View Post
Oil pressure, not temp. Look closely at the light, it's not temp, it's pressure.

And the reason it came on was because you lost oil pressure (lower than ~5-7psi) in the reservoir.

Not uncommon with dual pumps and no external feed line.
When the red light came on by the gauge it had a thermometer icon. Never even payed attention to that gauge before.lol

WTF am I losing oil pressure for ?????????

stock hpop





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post #6 of 117 (permalink) Old 10-31-2008, 03:20 PM
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Re: Oil Temp idiot gauge

I have the same issue with a different guage on my gas s10. When im at idle for a min. the guage completely zero's out, basically dead, then as soon as i give it some gas and start going it goes to full then works it way back down to where its supposed to be... I was told its just the sending unit on its way out... my .02 (sorry couldnt be more help).

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post #7 of 117 (permalink) Old 10-31-2008, 03:22 PM Thread Starter
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Re: Oil Temp idiot gauge

I would think if I was actually losing pressure the truck would die and/or SES light right?





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post #8 of 117 (permalink) Old 10-31-2008, 03:27 PM
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Re: Oil Temp idiot gauge

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Originally Posted by PTSUPERD View Post
I would think if I was actually losing pressure the truck would die and/or SES light right?
Possibly a P1211 from lack of oil to the HPOP, but they will run with the exact same condition you discribed in your first post. I have seen it on a truck with a mechanical gauge installed and a confirmed 0 psi of oil pressure at idle, while still running/driving. I wouldn't have believed it if I hadn't seen it.

I would throw a mechanical gauge on yours and check it out.

-Michael

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2000 F350: Crew Cab, Lariat, 7.3L PSD, 6 speed, 4x4, 3.73 - More Stuff
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post #9 of 117 (permalink) Old 10-31-2008, 03:39 PM
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Re: Oil Temp idiot gauge

I think I would also probably want to put a mechanical guage on it and check. That being said my sender went bad years ago and caused the gauge to drop off like that.

Tom

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post #10 of 117 (permalink) Old 10-31-2008, 03:43 PM Thread Starter
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Re: Oil Temp idiot gauge

Will do . I do know that there are zero performance issues. I beat the tar out of it on the way to work this morning. Ran great. Threw no hard codes.





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