Question about 2000 Ford Windstar

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Oil light blinks on and off could pressure switch be bad if so where is it located on a 2000 ford windstar 3.0

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  • yadayada
    yadayada May 11, 2010

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Oil Pressure Switch Operation:
oil light blinks on and off could pressure switch - 00134_oil_pressure_switch_gauge.jpgInformation relay unit for the indicator light or gauge on instrument panel. It contains a diaphragm that responds to changes in oil pressure. When the oil level is over a pre-set limit, the diaphragm opens the switch, turning off the light. When level is below the pre-set limit, the dash light comes on. In later model cars, if the oil pressure drops, the switch turns off the fuel pump, to stop the engine and limit damage to internal parts. Oil pressure switches can be grouped into two categories, units for electrical gauges and for mechanical gauges.

Oil pressure can be checked at the sending unit passage with an externally mounted mechanical oil pressure gauge. To get accurate results from the test, make sure you follow the manufacturer's recommendations and compare your findings to specifications.
Testing the Oil Pressure Gauge

  • Test the gauge by grounding the wire that leads to the sending unit on the block.
  • When the wire is disconnected from the sending unit with the key switch on, the needle on the oil pressure gauge should be either all the way high or all the way low. Grounding the wire should make the needle move to the opposite side of the gauge from where it was before the wire was grounded. If the vehicle is equipped with an oil pressure light, touching the wire to ground and then removing the wire from ground should turn the light on and off.
  • If either happens, the gauge and wiring are good and the sending unit is at fault.
Testing Oil Pressure
Pressure can be tested by temporarily installing an oil pressure gauge in place of the sending unit. Before testing, look up the oil pressure specifications for your vehicle in the appropriate service manual.
  • Bring the engine up to operating temperature.
  • Now shut the engine off.
  • Locate the oil pressure sending unit; usually it is on the lower side of the engine block.
  • Disconnect the wire from the sending unit and use an open ended wrench to remove the sender. Using pliers can damage the unit.
f43-19.jpg An oil pressure sending unit is removed with a special socket. Courtesy of Chrysler Corporation.
  • Tighten the oil pressure test gauge into the hole in the block whereoil light blinks on and off could pressure switch - f11-15_3184.gif removed.
f11-15_3184.gif Measuring oil pressure. Reprinted with permission.
  • Check the engine's oil level and fill, if required.
WARNING Be extremely careful when working near a running engine. Always wear safety goggles or glasses with side shields when working around moving machinery and be sure that your clothing is not loose.
  • Now turn the engine on and check the oil pressure on the gauge.
    • Watch as the engine warms to note any excessive drops due to temperature.
    • Make sure the engine speed is set to specifications for testing pressure.
    • If necessary, us a tachometer and adjust the engine idle speed.
  • Record the measured oil pressure, then turn off the engine.
  • Compare the test results with the manufacturer's specifications.
    • If the oil pressure is within specifications, this shows that the oil pressure sending unit may not be working correctly.
    • In many cases, replacing the oil sending unit will correct the problem.
  • After the test is complete, reinstall the oil pressure sending unit, start the engine, and confirm there are no leaks.




Posted on Nov 17, 2009

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Posted on Jan 02, 2017

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01fordeb
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SOURCE: 2000 ford epedition location of oil pressure

Right beside the oil filter. easy to change and cheap part. $30 for part and 10 min to change. just be sure you have old paper or something to cover your area from oil leaking.

Posted on Jan 16, 2010

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1 Answer

Location of oil pressure switch 2002 ford windstar


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Oil light comes on in my ford 2001 windstar se, oil was just changed and level is fine


It may be your oil pressure switch that has failed. However, if you hear any ticking or knocking, it could be cause you aren't getting oil pressure in which case damage to the engine will occur.

Jun 15, 2012 | 2001 Ford Windstar

1 Answer

I need to know where is the oil presure switch of a 2003 ford windstar 3.8l


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I don't know if a 2003 is different.. You could inspect the area visually to check it.

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1999 Ford WIndstar


Hi krisberg,

With the engine check light blinking, it would be a good idea to drive past the dealers and have them do a scan on the vehicle....You may be having a problem with the fuel pump....The pressure return valve or the throttle body.....Could also be a number of other defects which will cause the problem that you're having.....A scan will tell you what the problem is without having to guess

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2 Answers

1996 ford windstar


you need to have someone check the oil pressure to see if it is actually losing pressure or if sending unit is going bad. this is done with a mechanical gauge. Or you can just replace sending unit this is about a $20 part so cheap enough to just try. If you are actually losing pressure then you have scored bearings on the crank shaft. If not too bad can replace main bearings and a new oil pump.

Sep 11, 2008 | 1997 Ford Windstar

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