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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 10-09-2016, 10:45 AM   #1
Heresnickey
Registered User
 
Join Date: Oct 2016
Location: South Carolina
Posts: 4
My Ride: 2000 BMW 323i
Help rough idle to shut down throwing alot of codes.

Im new to bmw, and just replaced the ccv, and now i have a rough idle to eventually cuts off at a stop. will start right back up. not sure what the deal is, if someone could help point me in the right direction.
Here are the codes its tossing:
P1250
P0500
P1423
P1421
P0173
P0170
P1189
P1188

Anything would help. im so lost at this point on where to look.
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Old 10-09-2016, 11:55 AM   #2
jfoj
OEM ///Member
 
Join Date: Nov 2009
Location: Fairfax, VA USA
Posts: 20,207
My Ride: 330CiC, M5, X5
Might be multiple problems, start with finding vacuum leaks.

See these links:

http://forum.e46fanatics.com/showthread.php?t=897616





Cheap fluid transfer pump from your local auto parts store or Amazon.

http://www.amazon.com/ABN-Multi-Use-...fer+pump&psc=1

A few rubber gloves, rubber bands and some cheap mini cigars from our local gas station or convenience store.

Also get a good, bright LED flashlight to locate the escaping smoke. Look deep in the engine compartment and under the engine if needed. Do not forget the dipstick guide tube and the lower CCV oil return line. These areas may be hard to see from above in the engine compartment.
__________________
Solve your misfires, lean codes, rough idle - http://forum.e46fanatics.com/showthread.php?t=897616

Fuel pump failures - http://forum.e46fanatics.com/showthread.php?t=929501

Temp Info - http://forum.e46fanatics.com/showthread.php?t=964491

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

E46/E39 GM5 Door Lock Info - www.bmwgm5.com

Lower hose temp switch O-ring - BMW #13621743299
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Old 10-09-2016, 03:57 PM   #3
Mezmer
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Join Date: Mar 2015
Location: UK
Posts: 69
My Ride: 2002 330ci CLUBSPORT
If you were at the CCV, you may have forgotten to plug something back in, I had a similar problem, it was a plug that goes into that box with about 6 wires coming out of it in front of the CCV.
I forgot about it because it sort of plugs into the box from underneath. Sounds like could be the idle control valve as well, check that its securely in the rubber boot and all hoses are back on properly and everything plugged in

Last edited by Mezmer; 10-09-2016 at 03:59 PM.
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