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Author Topic: e46 CEL  (Read 2364 times)

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Offline YYCZHP

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e46 CEL
« on: April 29, 2014, 11:48:44 PM »
Ok, so e46fanatics is useless right now and can't find an answer to this...So car is throwing this code and my scanner comes up with "p1429 diagnostic module tank leakage heater malfunction"

I have searched and only found two threads on bimmerforums with no real answers. Any idea what is causing this and what the solution would be? One thread I found said could just be my gas cap being open? My cap isn't clicking when I close it, so i guess could someone also confirm if it does indeed click or not? Car has been parked all winter and I don't remember lol.

Thanks

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Offline tenaciousduck

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Re: e46 CEL
« Reply #1 on: April 30, 2014, 11:44:48 AM »
Isn't that the secondary air pump?

Read this:

http://forums.bimmerforums.com/forum/showthread.php?898870-P1429-Code-but-pump-blows-hard

Specifically post #9
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Offline Dr. Anthony

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Re: e46 CEL
« Reply #2 on: April 30, 2014, 12:35:21 PM »
I think he's right.  From what I remember, they're a  'common' problem
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Offline YYCZHP

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Re: e46 CEL
« Reply #3 on: May 06, 2014, 08:03:02 PM »
Thanks guys, will check it out tomorrow!
5% tint - Tinted Tail Lights - Muffler Delete - Asa Ar1 - CF CS Splitters - 6000k Predator Orion v2 Angel Eyes - 8500k DRL - Aux Input - Racing Dynamics CF Intake & Strut Braces - Schroth Quick Fit Harnesses - Cf Style BMW Harness Pads - Cf ACS Trunk Lip - Cf  Engine Covers - Cf Roundels - Cf Hamann Fog Light Covers - Lower Spring Perches - ECS Tow Hook