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Low idle shuddering when stopped

Discussion in 'Problems, Fixes, Tips...' started by bluehawaii90, Aug 23, 2016.

  1. bluehawaii90

    bluehawaii90 Copenworld Member

    Joined:
    Mar 10, 2013
    Car(s):
    Copen, Mini Cooper SD
    Hi all, me again....

    Elvis has developed another problem :-( when i'm stopped at a junction or lights when the engine is warm the revs dip below 1k, i think about 700 to 800. Not sure if its just my copen or not but when i first switch on the revs sit at about 2k then gradually drop to just above 1k. Ive had it to the garage and they found oil in the spark plugs but told me theyve resolved it by sealing (dont quote me gere) the spark plug tubes. 1 oil leak and fix later, im still seeing the problem.

    Anything youve seen before?
     
  2. Salieri

    Salieri Copenworld Veteran

    Joined:
    Jun 19, 2012
    Location:
    Germany
    Car(s):
    Used to have a White Copen, but I sold it in 2023
    For the 1.3, an idle of 650 rpm is normal.
    You have the 0.66 one, haven't you? There should be a sticker on the underside of the hood/bonnet specifying in what range the idle should be (for the 1.3 its 650 +- 50).

    Have the spark plugs been replaced when they fixed the oil leak?
    It is normal for the copen to rev higher when cold and then drop the rpm.

    Maybe the fuel you use is of low quality. Super unleaded from an expensive manufacturer (BP for example, I don't know where in the world you are) can reduce shaking in idle (tested it myself)
     
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  3. jez77

    jez77 Copenworld Regular

    Joined:
    Jan 16, 2015
    Location:
    Brisbane Australia
    Car(s):
    2003 Daihatsu Copen
    2000 Toyota RAV4
    That seem normal to me. My turbo is about 2k when cold dropping to 800ish when warm. About 1k with AC going.
     
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  4. Bemused

    Bemused Copenworld Regular

    Joined:
    Jun 25, 2016
    Location:
    Stoke-on-Trentishoe
    Car(s):
    Copen
    As above with circa 750 idle when warm but smooth, no shuddering.
     
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  5. bluehawaii90

    bluehawaii90 Copenworld Member

    Joined:
    Mar 10, 2013
    Car(s):
    Copen, Mini Cooper SD
    Thanks all. Im Nottingham based and its the 0.6. I generally put in asda or morrisons standard unleaded since i'm only getting about 200 miles from a tank (short trips) it didn't seem worth the special stuff. Just worried its something major, ive only just ticked 52k on a 05 plate and barely done 4k since its last service almost 2 years ago.

    Am i just a bad car parent? :-/
     
  6. bluehawaii90

    bluehawaii90 Copenworld Member

    Joined:
    Mar 10, 2013
    Car(s):
    Copen, Mini Cooper SD
    The spark plugs weren't replaced come to think of it, they were only done last summer because it kept misfiring on take off. Replacing them stopped that. I did replace the pre-cat 02 sensor earlier this yewr which was kind of timed the same as when the battery was replaced so i wasnt sure if it could have been something to do with that.
     
  7. Salieri

    Salieri Copenworld Veteran

    Joined:
    Jun 19, 2012
    Location:
    Germany
    Car(s):
    Used to have a White Copen, but I sold it in 2023
    Gnnnnanaaaawww.
    Have you ever looked in the owners manual? Oil changes are due every 3000 miles or half a year. Get that done ASAP, you might risk damaging your turbo charger (2000 quid in the shop). Only use synthetic oil (5W40, 0W40 or 5W30 if they do not have the other two)

    If the spark plugs were done last summer, they should be fine, however, there could still be a faulty one in there.

    Especially for short trips higher quality gasoline might help keep the insides of your engine clean (will not go into detail but trust me). I do not know how much your gasoline quality differs in the UK (we have lots of norms for that in germany) but there still is a small difference from "cheap" to "brand"
     
  8. bluehawaii90

    bluehawaii90 Copenworld Member

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    Car(s):
    Copen, Mini Cooper SD
    *sits in the corner, shamed* i will drop the oil this weekend while im wrapping it.
     
  9. Salieri

    Salieri Copenworld Veteran

    Joined:
    Jun 19, 2012
    Location:
    Germany
    Car(s):
    Used to have a White Copen, but I sold it in 2023
    Don't forget the filter, I heard it was tricky to get to and only the slim version fits without taking half the car apart
     
  10. bluehawaii90

    bluehawaii90 Copenworld Member

    Joined:
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    Car(s):
    Copen, Mini Cooper SD
    Was just watching video on YouTube about how to do it actually. Its looks awful. Its in the garage (again) as of tonight as it leaked oil all over the work car park this afternoon. I might call them in the morning and ask them to change it while they have it up on the ramps.
     
  11. Salieri

    Salieri Copenworld Veteran

    Joined:
    Jun 19, 2012
    Location:
    Germany
    Car(s):
    Used to have a White Copen, but I sold it in 2023
    Two birds with one stone. Could you tell us when you get the car back where the oil was coming from?
     
  12. bluehawaii90

    bluehawaii90 Copenworld Member

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    Copen, Mini Cooper SD
    So ive found out what the oil leak is at least. Every day for the last 5 days ive had to take it to the mechanic because the leak "kept coming back". Anyway i picked it up tonight and im clearly been taken for a ride because its still leaking! Ive had my grandad round tonight and it would appear Elvis has a leak from the oil sump. He tried to tighten the bolts there but to no avail, one looks new like the garage have replaced it. What do you think?
     

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  13. Salieri

    Salieri Copenworld Veteran

    Joined:
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    Location:
    Germany
    Car(s):
    Used to have a White Copen, but I sold it in 2023
    Have they replaced the gasket/seal on the oil sump while it was in the shop? If not, that should be your problem :D

    You might clean up the area with brake cleaner and take a look shortly after, maybe it's not the sump leaking but something in the vicinity, but with all that oil you cannot make it out
     
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  14. bluehawaii90

    bluehawaii90 Copenworld Member

    Joined:
    Mar 10, 2013
    Car(s):
    Copen, Mini Cooper SD
    Not to knowledge, they apparently have replaced a gasket on the engine, not the head gasket, But another one?
    rocker cover maybe.

    Problem with being a "woman with a toy car" in England means you get a really bad experience in garages, so they may have done everything ive asked or just fobbed me off. my husband says he will be taking it to them tomorrow and having them either fix it or money back!

    Also, Ive found the shuddering is pretty much an electrical thing. I drove it at dusk to warm the oil up so had the lights on, no shuddering when stopped, when i switch them off or the air con off and stop it starts shuddering again.
     
  15. Salieri

    Salieri Copenworld Veteran

    Joined:
    Jun 19, 2012
    Location:
    Germany
    Car(s):
    Used to have a White Copen, but I sold it in 2023
    Maybe it's the idle air control valve that needs cleaning? Its located in the throttle body. If it cannot operate properly the idle might drop too low. Just a guess. Nothing critical really...

    But first get the oil pan fixed, this is important :D
    And remember to take the oil change intervals seriously, somehow the oil ages very fast in the 0.6l engine and old oil starts to eat gaskets away...as you might have noticed :D

    I know about the problem with women and garages, back when I was too little, my mum took her car to the dealership and was ripped off almost every time. Small service on a mercedes - 400 Euro (and that is if nothing is wrong); if something was wrong it would go into the 800-1200 Euro range.

    Now I take care of the car and I spent around 50 Euro for the last service doing all the work myself...and it still runs :D
     

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