Oil Pressure warning light

50Twuncle
50Twuncle Posts: 10,763 Forumite
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The low oil pressure warning light came on my 2014 Suzuki Swift - yesterday
The level appears to be OK
The funny thing is that it is due in for servicing on Friday
Should I top it up in the meantime ?
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  • BeenThroughItAll
    BeenThroughItAll Posts: 5,018 Forumite
    edited 31 August 2016 at 9:56AM
    50Twuncle wrote: »
    The low oil pressure warning light came on my 2014 Suzuki Swift - yesterday
    The level appears to be OK
    The funny thing is that it is due in for servicing on Friday
    Should I top it up in the meantime ?

    If the oil pressure light has come on, and is genuinely warning you of low oil pressure, then it's a bit late to start worrying about it, the damage will already have started to be done.

    There's a reason they're often known as 'idiot lights'. Oil pressure warning light should be renamed the 'too late, I'm already eating myself' light.

    Top it up (if low), and enjoy the significantly reduced life of your engine.

    Oh, and check the oil regularly in future.

    ETA: Occurs to me that I should complete this answer with the information I posted in post #4.

    If the oil level isn't low, then most likely a dodgy OP sender. However, could be more serious - so then it might be time to consider recovery.
  • Marktheshark
    Marktheshark Posts: 5,841 Forumite
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    You should turn the car off, do not start it and get it recovered to the garage by towing or trailer.
    It could be a sensor issue, it could be low oil pressure.
    If it is low oil pressure, there will be a loud bang and it will need a complete new engine.

    Do not start the car, call the garage.
    I do Contracts, all day every day.
  • pappa_golf
    pappa_golf Posts: 8,895 Forumite
    1,000 Posts Combo Breaker
    50Twuncle wrote: »
    The low oil pressure warning light came on my 2014 Suzuki Swift - yesterday
    The level appears to be OK
    The funny thing is that it is due in for servicing on Friday
    Should I top it up in the meantime ?


    why should you top it up , of the level looks OK?




    is the oil low or not?
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  • You should turn the car off, do not start it and get it recovered to the garage by towing or trailer.
    It could be a sensor issue, it could be low oil pressure.
    If it is low oil pressure, there will be a loud bang and it will need a complete new engine.

    Do not start the car, call the garage.



    Or, without going mental with recovery, use the dipstick to check the oil level.


    If it's low, replenish oil.


    If it's not, then most likely a dodgy OP sender. However, could be more serious - so then it might be time to consider recovery.
  • AdrianC
    AdrianC Posts: 42,189 Forumite
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    Or, without going mental with recovery, use the dipstick to check the oil level.

    From the original post...
    50Twuncle wrote: »
    The level appears to be OK

    The circumstances of the light coming on would help.

    It's most likely to be genuinely low pressure if it was idling, hot, with the cooling fan running. Due for a service would mean the oil's most likely to thin out with heat.
  • AdrianC wrote: »
    From the original post...



    The circumstances of the light coming on would help.

    It's most likely to be genuinely low pressure if it was idling, hot, with the cooling fan running. Due for a service would mean the oil's most likely to thin out with heat.



    Yes, I know - I did go back and edit my original reply to reflect the fact that the OP might have already correctly checked the oil level.


    I was rather more referring to Marktheshark's slightly sensationalist response which defaulted to 'don't check anything just ring recovery or the car will explode', and trying to put a bit of context around *why*.
  • Marktheshark
    Marktheshark Posts: 5,841 Forumite
    Seventh Anniversary 1,000 Posts Combo Breaker
    Yes, I know - I did go back and edit my original reply to reflect the fact that the OP might have already correctly checked the oil level.


    I was rather more referring to Marktheshark's slightly sensationalist response which defaulted to 'don't check anything just ring recovery or the car will explode', and trying to put a bit of context around *why*.

    Because they have already done what you suggested, checked the levels and the Oil light is still illuminated.
    Ignoring the Oil light can lead to very serious engine damage.

    It may be the sensor, it may be the oil pump has failed.
    Finding out by driving the car is more than likely to cost the OP a fair few thousand.
    I do Contracts, all day every day.
  • Because they have already done what you suggested, checked the levels and the Oil light is still illuminated.
    Ignoring the Oil light can lead to very serious engine damage.

    It may be the sensor, it may be the oil pump has failed.
    Finding out by driving the car is more than likely to cost the OP a fair few thousand.


    You clearly put a lot more faith than I do in the vagueness of 'The level appears to be OK'.


    Personally, I'd rather hear 'the oil level according to the dipstick is correct'.


    'Appears to be OK' is the sort of thing my colleagues would say, most of whom wouldn't even know how to lift the bonnet, and who would rely on whatever light or indicator gauge the manufacturer has fitted to their leased car.
  • AdrianC
    AdrianC Posts: 42,189 Forumite
    Eighth Anniversary 10,000 Posts Name Dropper
    You clearly put a lot more faith than I do in the vagueness of 'The level appears to be OK'.

    Personally, I'd rather hear 'the oil level according to the dipstick is correct'.

    'Appears to be OK' is the sort of thing my colleagues would say, most of whom wouldn't even know how to lift the bonnet, and who would rely on whatever light or indicator gauge the manufacturer has fitted to their leased car.
    Except they'd be meaning the oil pressure light.
  • AdrianC wrote: »
    Except they'd be meaning the oil pressure light.



    Yes, but they wouldn't KNOW it was the oil pressure light, because they won't have bothered to read the handbook - so all they'll assume is that everything is fine until a light comes on - and when it does, that just means there's something that 'can wait until its next service'.
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