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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 10-07-2012, 09:56 PM   #1
killerbee3
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Cold morning stall (Narrowed down...maybe?)

I posted a thread last year about my car stalling on cold mornings. I replaced a few things trying to fix it and came up with no results. I replaced the fuel filter, vanos seals, cleaned the ICV and I read a few maintainence records that show the previous owner had both cam position sensors and alternator replaced. I never did replace the secondary air hose which I was told to do. I am gonna do that next but I was wondering if anyone else knew what else that it could be since I narrowed it down a bit. I was thinking it could be more fuel related? like the pump but it makes a noise indicating that it is functional when the key is in the on position.

I'm just really annoyed right now since I also have to replace my power steering pump and rack... a second time. Well rack is a first.

I appreciate dearly any input on this situation that could lead me in the right direction...I've been searching all day
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Old 10-07-2012, 10:01 PM   #2
jfoj
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Suggest you read the first link below in my signature.

SAP vacuum lines and DISA are very likely culprits.
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Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

Hidden OBC Menu - Check Voltage, Temps, Fuel Level - http://forum.e46fanatics.com/showthread.php?t=239619

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Old 10-07-2012, 11:33 PM   #3
killerbee3
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Thank you! Very nice thread you made
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Old 10-08-2012, 06:12 AM   #4
dmax
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+1 on sap. Check both the hose from the pump (for a hole and/or for squishiness) and check that the vac line is intact too.

Also, look in the valve to see if it's clogged from decomposed hose plugging it up. I had this issue...and it caused my car to stall on cold start.
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