WHERE IS THE OIL SENDING UNIT ON A MERCURY MOUNTAINEER 1999 4.0L LOCATED

SOURCE: Where is the Oil Pressure Sending Unit for Gauge

look for it near the oil filter.on the block

G

Harvey N Tawatao

• 3854 Answers
• Posted on Jun 10, 2009

SOURCE: where is the oil sending unit located on the

I think it's on the side of the engine right behind the A/C compressor where all the lines are. I know it's wide open on the other side of the engine, but that's ford for you so you'll pay an arm and a leg to do a simple job. Good luck and hope this helps.

SOURCE: 2001 Mercury Mountaineer oil sending unit replaced twice, oil gauge replaced and gauge still does not work. where should i look next

For oil not working check the help link shown below:-----

Oil Gauge and Temp Gauge Not Working?

http://howtobyme.blogspot.in/2012/05/2004-toyota-tundra-oil-gauge-and-temp.html
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Hope these helps .

Kaye Day

• 744 Answers
• Posted on Nov 26, 2015

SOURCE: I have a 2003 Mercury Mountaineer 4.0 engine 6 cylinders. The message center has low oil pressure which is at 69% . I purchased an oil sending/ pressure unit. Should I install it or do something else?

Have you checked the dipstick for level of oil?