Oil Pressure Warning Light - From Loose Oil Cap?
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Thread: Oil Pressure Warning Light - From Loose Oil Cap?

  1. #1
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    Oil Pressure Warning Light - From Loose Oil Cap?

    Hi all. I'm pretty experienced working on other cars but have not had to do much on our 2007 Ody EX-L so far. The last oil change was a free one at the dealer in December. Today I saw the oil pressure light (red teapot) while driving, so I shut off the engine immediately. The oil level is OK, but I noticed that the oil cap is loose. I tightened it and restarted the engine, and the warning light is gone.

    I don't think that a loose oil cap alone could cause this, but what do you think?

    Thanks,

    Dave

    2007 Ody EX-L (Midnight Blue Metallic)
    Parrot Bluetooth + Garmin 660 hardwired (poor man's Touring)
    2007 Odyssey EX-L (Midnight Blue)
    1998 BMW 528i Sport (Jet Black)

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  3. #2
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    You're right - a loose oil cap would not cause the oil pressure warning light to illuminate. Since the oil level is correct, the oil pressure switch is probably failing. I would have it replaced. If the light comes on after that, there is something more serious to investigate.
    2002 Odyssey EX FG
    Honda hood deflector, mud guards, AC condenser screen mod, Zyml wax, Honda ATF cooler, Amsoil EaO20 oil filter, Amsoil synthetic 5W20, Amsoil ATF 6/2011, Krown rustproofing, block heater (gets cc...cold in Canada in winter!)

  4. #3
    Registered User JDSStudios's Avatar
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    Dave, loosen the oil cap again and see if CEL returns.
    If it does, then you know that was the problem.

    Quote Originally Posted by dreulandb View Post
    Hi all. I'm pretty experienced working on other cars but have not had to do much on our 2007 Ody EX-L so far. The last oil change was a free one at the dealer in December. Today I saw the oil pressure light (red teapot) while driving, so I shut off the engine immediately. The oil level is OK, but I noticed that the oil cap is loose. I tightened it and restarted the engine, and the warning light is gone.

    I don't think that a loose oil cap alone could cause this, but what do you think?

    Thanks,

    Dave

    2007 Ody EX-L (Midnight Blue Metallic)
    Parrot Bluetooth + Garmin 660 hardwired (poor man's Touring)
    06 Odyssey EX-L RES with H&R Springs

    02 Porsche Carrera C4S with 997S Headers and Ultra Leggeras |||

  5. #4
    Registered User JDSStudios's Avatar
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    What happened to this?
    06 Odyssey EX-L RES with H&R Springs

    02 Porsche Carrera C4S with 997S Headers and Ultra Leggeras |||

  6. #5
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    Update

    The oil pressure light has not reappaered after tightening the oil filler cap. I will experiment with loosening it and will report back to tjhe thread if it triggers the light. Thanks to all!
    2007 Odyssey EX-L (Midnight Blue)
    1998 BMW 528i Sport (Jet Black)

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