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Oil light on, 115K miles, 3.1 engine, possibilities?

Discussion in 'Non-Mopar Tech Support' started by tomarone, Dec 22, 2017.

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  1. tomarone

    tomarone Member

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    I have new full oil, and the light has come on solid. What are the possibilities or tests I should make? Is it ok to drive it?
    thanks
     
  2. ImperialCrown

    Level III Supporter

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    Welcome to Allpar. Is the engine noisy like tapping or clicking? I would not run it or drive it until you can perform an oil pressure test with a mechanical gauge.
    62621_zzz_500.jpg
    Unscrew the oil pressure sender and install the gauge for the test.
    Is this a GM 3.1L?
    It is possibly a defective sender, but you want to make sure first.
     
    jerseyjoe and Doug D like this.
  3. dana44

    Ad-Free Member

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    Double check the oil filter itself, especially if the light didn't come on until after the oil change.
     
  4. voiceofstl

    voiceofstl Well-Known Member

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    I forget. Is the 3.1 related to the buick 3.8 or to chevys 3.4?
     
  5. NYBo

    Level III Supporter

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    The 2.8 and 3.4, IIRC.
     
  6. page2171

    Level 2 Supporter

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    The 3.1 is related to the 2.8, the 3.4, and the 3.5 (High Value) V6's.
     
  7. voiceofstl

    voiceofstl Well-Known Member

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    with the 3.5 did they finally work out all the bugs that the 3.4 had?
     
  8. page2171

    Level 2 Supporter

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    Haven't had any issues with the one in my Saturn Aura.
     
  9. 85lebaront2

    Level 2 Supporter

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    Did you do the oil change yourself? Since I haven't worked on one of those in a while, is it possible the sender wire is caught somewhere and grounded? Other than the intake gasket leaks on the earlier ones, I don't recall many problems with these. My son has a 1994 Buick Regal with one and it has well over 200K on it.
     
  10. voiceofstl

    voiceofstl Well-Known Member

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    The 3.4 in the 90's to early 2000's were notorious for gasket leaks you can't see letting anti-freeze into the oil and totally ruining the engine.
     
  11. valiant67

    valiant67 Rich Corinthian Leather
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    I wonder if the original poster is ever coming back?
     
  12. ImperialCrown

    Level III Supporter

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    Maybe very busy with the holiday and family? The northeast is also very cold with blizzards and travelers advisories this long weekend. I somehow, really want to get outside and rinse the road salt off the cars. :eek:
     
  13. page2171

    Level 2 Supporter

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    I do too, but it is -9 at the moment. :eek:
     
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  14. 1999 White C5 Coupe

    1999 White C5 Coupe Well-Known Member

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    Year, make, model, engine mileage would be very helpful.
     
  15. jerseyjoe

    jerseyjoe Plymouth Makes It

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    Could be the wrong grade oil, too thin, maybe.
     

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