Question about 1998 Ford Expedition

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98 ford Exped. oil and engine light come on but go off on restart

Have a 98 ford expedition 4.6 liter v8. Temp. gauge suddenly climbs and oil lite comes on. Turn off engine and restart and gauges read normal. Checked temp. - okay, oil okay, replaced temperature sensor, no change. 02 sensor changed and spark plugs have been changed. Almost seems to be a false-positive reading because all goes back to normal when you shut off the vehicle. But if you continue to run it it runs poorly. The computer is sensing something but what?

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  • Anonymous Nov 22, 2008

    I have same exact problem but mine runs fine. i do have a bad "knocking" though. but that's been there for years.

  • Anonymous Mar 20, 2014

    where water sensors one for computer one for gauge on 4.6 v8 engine

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  • Ford Master
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Did you check the transmission heat sensor or the intake air sensor these can be incorporated with temp guage on some vehicles

but theres also the problem of alternator is getting ready to give only
take an electro meter and hook up to cigarette lighter with a 2 post power maker and watch the voltage as your driving try to recreate the conditions that brought this about if the reading changes dramatically this will tell your alternator will need to be replaced at some point also dead cells in battery creates this little bump in electrical

Posted on Dec 06, 2008

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