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200 ford f150 2wheel drive losing oil pressure


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DatTape
New User

Jun 26, 2009, 2:38 PM

Post #1 of 4 (2059 views)
200 ford f150 2wheel drive losing oil pressure Sign In

Truck runs good, it warms up and you stop then the oil pressure goes to nothing and the oil light comes on, but if you put it in park, the oil pressure is ok.... Any ideas on what could be causing this?


Sidom
Veteran / Moderator
Sidom profile image

Jun 26, 2009, 5:20 PM

Post #2 of 4 (2053 views)
Re: 200 ford f150 2wheel drive losing oil pressure Sign In

1st you should hook up a mechanical gauge & verify the low pressure. If the pressure is good with the mechanical gauge then you have an electrical problem. If the pressure is low, I've seen the pick up screens get partially blocked & cause this problem or all the other problems bad pumps, bearing clearances, etc..........


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 27, 2009, 4:49 AM

Post #3 of 4 (2047 views)
Re: 200 ford f150 2wheel drive losing oil pressure Sign In

Great advice from Sidom as usual.

If this is an abused truck - like poor oil changing habits or allowing it to run real low in it's history AND sludge a factor you might buy time if oil pressure CAN show a read OK # by upping the viscosity and changing oil way too often for a while will clear the screen without flash flushing which may cause an issue. Plain quality oil is a cleaner for it's initial time - higher viscosity may up oil pressure into a safe zone all by itself. 15 or 20w- 40 or 50 would/should help for the moment,

T



Allan
Anonymous Poster
belcan2@yahoo.com

Jul 13, 2009, 9:18 AM

Post #4 of 4 (1996 views)
post icon Re: 200 ford f150 2wheel drive losing oil pressure Sign In

Replace your oil pressure sensor if you are not hearing any noise coming from the engine.






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