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1997 Ford F-150 Question: what would cause the oil pressure to drop very low when the engine idles running

 

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robooney1, Council Bluffs, IA, December 28, 2012, 20:13
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its has around 40lbs at idle 2 or 3 lbs the engine has 125000 mile on it very will takin care of

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  • Answer #1

    December 28, 2012, 22:07
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     Master

    More info. on truck 97 F-150 aint enough! 5 engine possibilities, oil sae, what brand of filter. Is this a new problem?
    Are you checking it with an actual test gauge?

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    robooney1, December 29, 2012, 09:09
     Rookie

    Sorry its a 4.2 V6 Tried Changing the Filter and Oil I Use a 10/30 Quakerstate

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    pushrod, December 29, 2012, 09:16
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     Master

    That's ok noboy gives enough info. How are you testing the pressure?

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    robooney1, December 29, 2012, 21:34
     Rookie

    remove the sending unit and installed a manual gauge sound like I can hear a knock like main bearings?

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  • Answer #2

    December 29, 2012, 06:42
     Master

    I agree with wetry its hard enough to figure out problems if we dont have enough info

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    pushrod, December 29, 2012, 07:05
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     Master

    Thanks GG.

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    goodguy, December 30, 2012, 05:42
     Master

    if you have knock then your oil pump might be gone you should get it checked before the engine blows

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