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Old 04-18-2013, 07:47 PM   #1
2001bimmer330i
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Limp Mode - Here are my codes, any help?

First of all thank you wesborl898 for posting all of the OBD fault codes!

My 2001 BMW 330Ci has been in limp mode for a few weeks now. I have checked the DISA and have cleaned the MAF. I also have replaced the lower intake boot, and cleaned the ICV. I have triple-checked that I didn't leave anything not tightened and check doubly for leaks.

I bought a reader and here are the codes that I have. The guy I bought the car from had the "Ebay Headers" put in, and the check engine light would come on and go off so I assume that some of these codes are associated to the O2 sensors and not to the limp mode. Does anyone recognize some of the codes which are common with limp mode?

Thanks!

P0313 - Misfire Detected with Low Fuel Level
P0102 - Mass or Volumn Air Flow Circuit Low Input
P1138 - O2 Sensor Heater Circuit Low Volt (Bank 1 Sensor 2)
P1152 - O2 Sensor
P1135 - AirFlow Sensor Heater Malfuncion
P0600 - Serial Communication Link Malfunction
P0135 - O2 Sensor Heater Circuit Malfunction
P0171 - System Too Low Bank 1
P0139 - O2 Sensor Slow Response (Bank 1 Sensor 2)
P0159 - O2 Sensor Circuit Slow Response (Bank 2 Sensor 2)
P1619 - Glow Plug Relay Open/Short Circuit

I really appreciate any help folks. This is driving me nuts.
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Old 04-19-2013, 12:45 PM   #2
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Bump

Just checking again to see if anyone here has any ideas. I was pretty descriptive to kind of narrow it down a bit. Has anyone had similar codes that caused the Limp Mode phenomenon?
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Old 04-19-2013, 01:43 PM   #3
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Might be the MAF that went bad but I can't be certain.

I would search the forum for each of the codes and see what was the cause for the other members here. Check your wiring to the sensors as well.
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Old 04-19-2013, 02:43 PM   #4
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Quote:
Originally Posted by Solidjake View Post
Might be the MAF that went bad but I can't be certain.

I would search the forum for each of the codes and see what was the cause for the other members here. Check your wiring to the sensors as well.
Definitely not the MAF...I took one out of my other 2001 and used it, and made no change. I have searched for a few of these codes so far but none were referenced with Limp Mode. That's what is confusing me. Is there one or two of those related to Limp Mode. Tough one to follow through. I did see some references to a "crimped" wire going to the MAF. I will check that later. I appreciate the response!
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Old 04-19-2013, 02:46 PM   #5
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Yea, somethings on the car are really tough to track down...

Those codes are the recurrent ones that come back after you cleared them?
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Old 04-19-2013, 02:48 PM   #6
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Are you near Birmingham by any chance?
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Old 04-19-2013, 03:26 PM   #7
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Quote:
Originally Posted by Solidjake View Post
Are you near Birmingham by any chance?
I'm in Madison, next to Huntsville. I haven't cleared the codes in a couple of weeks, but I haven't been driving the car either. Do I have to go to a dealer to clear them? I have a simple reader that I don't think will clear any codes. I have disconnected the battery for a few days...then touched the battery cables together. Would that clear them?
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Old 04-22-2013, 06:34 PM   #8
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OK I have an update. I found a DIY on replacing the o-ring on the DISA. That cleared up 8 of my codes. Now I am down to these:

P0600
P1156
P1138
P1152
P1135

Any other suggestions?
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Old 04-23-2013, 07:31 PM   #9
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OK I fixed it. Man, the Limp Mode trouble shooting can be a bear. There was a hint in my case. When I turned the key to the 2nd position, I always noticed that the gear symbol was always there. That made me think that something else was going on BEFORE I cranked the car. I also had that P0600 code. Turns out it's the 30 Amp fuse in the DME. I'm attaching a picture of the location. I hope this helps someone out there. This is the FIRST thing I would check since it's such a cheap fix.
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Old 04-23-2013, 07:33 PM   #10
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Here is the picture.
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Old 04-25-2013, 09:48 PM   #11
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And yeah...it blew again. I have been reading and a lot of people would find a short or crimped wire on the O2 sensors. Have any of you had to troubleshoot that?
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Old 04-26-2013, 10:22 AM   #12
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OK so I'm going to start trouble shooting this. Is there a way to disconnect all the wiring for the O2's? It's possible there is a short there, and if I can just disconnect the wiring I could see if the 30 Amp fuse is still blowing. If not then I'd know it was the wiring. Any help there?
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Old 04-28-2013, 05:35 PM   #13
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Disconnected the wires from the O2 sensors at their lowest point and I'm not blowing the fuse...for now. I'll drive it a few days and see. If it does fix it...the O2 sensors were shorted? Has anyone see this?
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Old 04-30-2013, 10:17 AM   #14
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Noone has ever tried to just disconnect their O2 sensors before? Just curious that if it fixes my problem, what are the downsides.
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Old 05-01-2013, 03:52 PM   #15
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Disconnecting the sensors will give you other issues and codes related to performance and economy, and some other little gremlins. You won't pass inspection / smog / whatever you guys call it with those codes or sensors disconnected. Perhaps replace one at a time with known working items?

Would have expected others with more experience to chime in with answers..... Maybe try the other sub forums for assistance?

Also, try contacting jfoj - he may be able to help.

GL!
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Old 05-18-2013, 10:07 AM   #16
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Thanks very much for the reply. We don't have inspections here so no worries. I'm OK with a dash light. She seems be running great. Just unplugged the post cats and all is well.
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Old 05-19-2013, 09:57 AM   #17
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Re: Limp Mode - Here are my codes, any help?

Glad she's running smoothly, but not how intended... I'd still suggest looking up jfoj and reading the links in his Sig. Sorry, I'm on a mobile and can't post them for you.

Edit: seen this thread? Could help with diagnosis -
http://forum.e46fanatics.com/showthread.php?t=303141




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Last edited by Ballistic325; 05-19-2013 at 10:05 AM.
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Old 05-19-2013, 08:52 PM   #18
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I will definitely check that out. I really appreciate your help.
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