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    brandong's Avatar
    brandong Posts: 2, Reputation: 1
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    #1

    Nov 19, 2012, 10:36 AM
    Oil pressure gauge doesn't work all of a sudden
    Last night when I turned off my 2004 ford explorer all the gauges worked bit this morning when I started my truck the all the gauges worked except the oil one and the check gauge light was onward would cause that
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    Nov 19, 2012, 10:52 AM
    Sludged-up oil galley going to the gauge? Remove the oil cap and examine it and the underside of the valve cover. Look for any oxidation and build-up. If you find any, start using full synthetic oil, changing it every 6,000 miles or 6 months, whichever comes first. Its higher natural detergency will safely clean the engine.
    brandong's Avatar
    brandong Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Nov 19, 2012, 11:53 AM
    Thank you I took off the cap and seen the sludge so I will try the synthetic oil and see if that works
    perkinsj88's Avatar
    perkinsj88 Posts: 5, Reputation: 1
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    #4

    Nov 20, 2012, 07:11 AM
    Most likely this would be a Oil Pressure Sending unit which should be located on your oil pan some where, if it is the only gauge not working I see no reason to check fuses. Check the wiring of the part mentioned above.
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