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  1. #1
    VXRed
    Join Date
    16th October 2016
    Posts
    34

    Default Oil Pressure light (red) comes on and off.

    Noticed this today. Oil Pressure light comes on, for around 3 seconds, then goes off. Then it may come on again, then goes off.

    Checked the oil, it was a bit on the low end, but still within parameters. Topped it up, but problem still persists, same pattern.

    Noticed that it may light up if I go above 2000-2500 rpm. (but does not light up instantly)
    If I drive below that, it seems to stay off.
    Didn't hear any strange sounds from the engine. It seem to heat up a bit quicker, but I think this is mainly due to the weather getting warmer and warmer where I live.

    I'm scared to drive it.

    Any opinions?

    Thank you so much.
    Last edited by lawgeenoo; 12th March 2018 at 08:56 PM.

  2. #2
    VXRed blooded
    Join Date
    1st August 2016
    Posts
    376

    Default

    Oil pressure sensor
    Vectra VXR estate 07

  3. #3
    VXRed
    Join Date
    16th October 2016
    Posts
    34

    Default

    Quote Originally Posted by Dog_Book View Post
    Oil pressure sensor
    Thanks, I hope so. I've read some things like engine worn bearings and other horrible stuff, that would have the same symptoms regarding the oil light.

    Thanks for your reply.

  4. #4
    VXRed blooded
    Join Date
    11th July 2017
    Posts
    328

    Default

    get a proper oil pressure test done... a decent garage should have the kit... if not then just buy your own mechanical gauge setup.... electrical ones can be iffy unless spending big money.
    does your car show an oil pressure value on the daah

  5. #5
    VXRed
    Join Date
    16th October 2016
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    34

    Default

    No. Just the red light above ~~2500rpm.

    Below, it stays off. Would it be safe for a short drive to the shop?

  6. #6
    VXRed blooded
    Join Date
    11th July 2017
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    328

    Default

    couldnt guarantee its safe.... the sensor triggers at a really low pressure which isnt ideal for any engine.
    maybe too light an oil at the minute.
    how many miles on the engine?
    when was the oil filter last changed?
    mine at idle shows almost 6bar oil pressure... facelift model.

  7. #7
    VXRed
    Join Date
    16th October 2016
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    34

    Default

    Quote Originally Posted by genman View Post
    couldnt guarantee its safe.... the sensor triggers at a really low pressure which isnt ideal for any engine.
    maybe too light an oil at the minute.
    how many miles on the engine?
    when was the oil filter last changed?
    mine at idle shows almost 6bar oil pressure... facelift model.
    105.000 miles. Oil level is fine, and the filter was last changed the previous year, along with the oil.

    Took it to the shop, explained the issue, will find out these days. I hope for the best, altough it could be horrible.

  8. #8
    VXR enough V6spike's Avatar
    Join Date
    18th May 2013
    Posts
    1,832

    Default

    I guarantee it'll be the oil pressure switch. I would say though if you're not happy driving it then don't, however i drove mine about before i changed it. just keep an eye on the oil level.
    '55' Sapphire Black VXR Estate. Eibach Prosport all round, remapped by Rabbid. DO88 intake kit.

  9. #9
    VXRed blooded
    Join Date
    11th July 2017
    Posts
    328

    Default

    failing or clogged switch likely at that mileage.... small carbon particals build up over time in any engine
    might be worth an oil flush at the next oil change just to clean out any little particals that can clog these switches

  10. #10
    VXRed blooded
    Join Date
    1st August 2016
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    Default

    A flush and oil change didn’t help mine and as so many come up with this fault I just drove it as there were no nasty sounds and it was intermittent. Change sensor after hours and arms and hands hurting and it’s been all good
    Vectra VXR estate 07

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