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#1
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Help! Cylinder 1,3,5,7 Misfire at cold start, car shakes, SES light on
Does anyone has similar problem(cold start misfire?)? Any possible cause? Many thanx for the inputs. |
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#2
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lol wow, you might want to read this: http://www.xoutpost.com/bmw-sav-foru...os-please.html
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#3
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Check your crankcase ventilation and the oil separator. Be careful that the crankcase ventilation don't freeze up on you especiallly driving short distances in extreme cold conditions. This will cause major repair work. I just had over 3K of repair bills because of the havoc of a frozen crankcase ventilation.
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#4
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ignition coil change them
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#5
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can't be ignition coil. Otherwise won't have so many cylinders misfire(all odd number cylinders). I think it's the oil separator but could be wrong. I've been garaging my x so it didn't give me any trouble lately. Will wait the winter out and see.
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#6
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Change plugs, report back...maybe you'll be lucky. Doubtful, but you already bought the plugs, so take the 20 mins. and change them.
When doing so, maybe you'll find other issues. By chance, for example you might spot something obvious. Either way, eliminate the plugs and go from there. It's obviously electrical in nature. Strange the plugs would still be misfiring if it's at autozone, given that the car would be warm and hence there should be no frost "plug" in the crankcase vent. I'm continually amazed at German engineering. At times, I'm just dumbfounded. They have some of the harshest winters around. If frozen vents are going to create so much hassle, why not install a simple heater on the vent. It would cost all of $10.00 in parts to create one on your own. Sounds like a solvable issue, and not a system wide ignition fault, however. At least, that's my opinion. |
#7
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Good luck with it bulkwarrior. I wish I could help you but mine has been running like this for about 8K miles now. I have searched hi and low on the internet for a fix and other than the obvious fixes for physically broken parts I haven't been able to cure mine. I hope you get it fixed, in the meantime I will be to see what you did.
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2010 Lexus RX350 still new 2003 BMW X5 3.0i w/sport package w/68K miles. (gone Thank God!) 2002 Dodge Ram 2500 4X4 cummins diesel w/198K miles, custom repo truck 2009 Scion tC w/46K miles 2007 Suzuki SV650 custom streetfighter 2000 Lexus GS400 w/165K miles |
#8
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replace all 16 intermediate levers. and if wear is found on the shaft, replace both shafts also.
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#9
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Intermediate levers... been hearing this one alot. Seems to affect alot of 4.4s. Mine just shock a bit on cold morning start, i hope this is not the start of it.
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#10
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I have a thread on this. my 4.4 did the exact same thing, (upstate NY winters just blow!).. It should be the intermediate levers, jsut be ready for a lengthy repair, my X was in for 3 weeks
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NAZARIO 2015 M3 / 2012 X5M BMWCCAKiss French, Wear Italian, Drive German
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