blakep82
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| posted on 9/11/08 at 06:42 PM |
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weird BMW problem today
well, kinda started earlier on in the week, after changing the radiator a few weeks back, i tie wrapped the fan shroud in place, as i broke the clips
when i took it off. one of the tie wraps disappeared, not a trace of where it went.
anyway, so on tuesday got in the car to go to work, started it, there was a nasty grinding noise when i started it up, it was the fan rubbing on the
shroud. fine, jumped into my dads car and went to work and thought i'd fix it later. didn't get a chance all week. went out today, clipped
the shroud in place, and started the engine to make sure the noise was gone. engine started, no grinding noise  was a bit rough, and conked out.
thought it was just that i let go of the key too quick and didn't give a proper chance to fire properly. tried again. nothing. the enigne was
turning fine, but didn't sound right, and didn't sound like any cylinders were firing. tried rolling it down the hill to start it in case
the started was kanckered or something. didn't work. so was showing my dad to see if he could work out what was wrong, turned it over, nothing,
but it kept getting faster and faster, til one cylinder started to fire, then a bit more and more until it finally caught on, revved like a good
'un but still a bit rough. foot off the accelerator, and it conked out again. turned the engine over and it started alright and ran and idled
smoothly for a decent amount of time.
any ideas?
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mr henderson
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| posted on 9/11/08 at 06:51 PM |
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Sounds like there's something wrong with it.
Be wary of linking two events that may not have anything to do with each other.
Basically you need to get round that engine and check everything. Modern engines are so complex that it can be very difficult to deduce problems just
from a few observed symptons. Have you tried the OBD?
John
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blakep82
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| posted on 9/11/08 at 07:01 PM |
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have to say it was getting late today and getting dark, so haven't tried anything yet.
i wasn't so much linking the two events, but was more a case of it started bang on just a few days ago, been sitting for a few days, and now
this.
any recommendations for a OBD scanner? went on ebay, there's quite a few, from £2.93 (+£15 postage) buy it now from china, to over £50 from
britain.
don't want to get the wrong thing
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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omega 24 v6
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| posted on 9/11/08 at 07:22 PM |
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Just a quick thought but is it possible you've knocked the wires off of the temp switch for the efi??
If it looks wrong it probably is wrong.
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blakep82
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| posted on 9/11/08 at 07:28 PM |
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its a possiblility! i'll have a proper check at some point (its too dark by the time i get home from work)
the new radiator is just slightly different to the old one. there's an extra sensor in there, not sure what it is. but i've got no spare
plugs floating about nearby to put in there
________________________
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don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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ReMan
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| posted on 9/11/08 at 08:44 PM |
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quote:
Originally posted by omega 24 v6
Just a quick thought but is it possible you've knocked the wires off of the temp switch for the efi??
This may report high temperaturte so feed it a weak mixture, when actually you are trying to start from cold so it needs a rich mixture. Assuming you
don't have a carb'd car with a manual choke this could be the problem
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blakep82
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| posted on 9/11/08 at 09:03 PM |
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ah, yeah, should have mentioned, its a 1995 328, so all EFI
we shall see what its like in the morning.
________________________
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don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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