oil pressure and "engine " light

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Sep 20, 2006 | 07:26 PM

dyoungen

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Posting Guru

Joined: Aug 2006

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From: Perry Georgia

oil pressure and "engine " light

I just added a manual oil pressure gage and found my oil pressure normal, whatever that is. Startup after sitting a week is 45 psi at idle. After running about 10+ miles top pressure is 40/45 psi and idle is 15 psi. Now the question. I'm not using the original oil pressure sending unit or the gage in the dash. Now I'm getting the "engine" light all the time. Is the light on because the oil pressure gage is no longer being used? Or is somthing else to blame?

Sep 20, 2006 | 09:09 PM

Dave Sponaugle

Post Fiend

Joined: Nov 2003

Posts: 21,285

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From: Nutter Fort, WV

What year is your truck?

Sep 21, 2006 | 03:43 AM

tjc transport

i ain't rite

Joined: Mar 2005

Posts: 65,505

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From: Marlboro Mental Hospital.

the cel is on because the oil pressure gauge has no reading, so it assumes there is a problem.

Sep 21, 2006 | 01:40 PM

Hamberger

Fleet Mechanic

Joined: Sep 2005

Posts: 1,509

Likes: 3

From: Ladner, British Columbia

Just split the original oil connection with a Tee and put both the old and new sending units back in.

Too much instrumentation never hurts.

Seb...

Sep 21, 2006 | 01:48 PM