Re: EML Light ,loss of power and a smoking exhaust (archive)

Mine did the same thing twice and it was in limp home mode. It seems the injectors are still working, but no spark to one side on one occasion and it smoked badly, as in fuel. The other time it did not smoke. In the smoking case, the temp sending switch came off the passenger side of the engine. The mechanic simply plugged it back in. However, it still was in limp mode, so he unplugged the 2 eml computers in the black box on the passenger side. Left them unplugged for an hour to lose memory and it worked fine afterwards.

Another time there was no apparent reason, so he simply traded places of the eml's (I think that is the right term. Its been a while) and it worked fine. He said that sometimes works, and it did, and they have worked fine for the two or so years since.

So if you check out everything and see nothing wrong, no loose wires, you can unplug the eml's and trade them (it may be corrosion or not good contact on the pins) or simply disconnect the battery for at least an hour. (If you do, you should "relearn" the throttles, but thats not a big deal if you don't get to it.)

Limp home symptoms started one other time when a fuel pump went out. But there was no smoke as there was no fuel to one side. The code read low fuel pressure.

If these steps don't cure it I would head to a dealer. Actually, I would anyway.

Good luck.

Lin Gilbert
1990 750iL

Can someone help me before I spend all of my money? Last eve, while driving down the highway, my EML light came on and I had a serious decrease in power, my "Check Engine" light also came one, but went out shortly thereafter. No other warnings came up. From the other post that I have read, this is called the "limp home mode" and this is exactly what I did. This morning, I started the car and all seemed to be fine until I decided to take it for a test run down the street, then, what looked like blue smoke with a smell of gasoline started coming from the exhaust like I have bad rings. Does anyone have any ideas or similar experiences?

Clarence
90 750il 112K

Follow Ups:

Re: EML Light ,loss of power and a smoking exhaust Clarence 12:31 2/26/2001 (5)
- Re: EML Light ,loss of power and a smoking exhaust Clarence 14:06 2/26/2001 (4)
  - lucky lucky lucky Gilbert 16:02 2/26/2001 (3)
    - Re: lucky lucky lucky Clarence 12:47 2/27/2001 (2)
      - Is EML prob a symptom not the fault? Max Fretter (NZ 87 735i) 18:50 2/27/2001 (1)
        
        Re: Is EML prob a symptom not the fault? Clarence 09:39 2/28/2001 (0)

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