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Old 04-27-2008, 07:29 PM   #1
dragos
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Wth?

I was getting ready to change my oil and I was looking around my engine bay and I saw a plug attached to a plastic bracket just hanging out by my exhaust manifold :[ What the heck is it and where can I plug it back in? Its a little more then discomforting. Perhaps it explains my check engine light...

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Old 04-27-2008, 08:26 PM   #2
dragos
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Anyone? Help?
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Old 04-27-2008, 08:36 PM   #3
325CI2004
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have you scanned the code for the CEL?

I wont be able to offer much help as i drive a 325 and my bay is a little different. Just look around on that side as see if there are any plugs.

Easiest course of action is to read the code first.
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Last edited by 325CI2004; 04-27-2008 at 08:39 PM.
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Old 04-27-2008, 08:44 PM   #4
zeshon
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Don't bump within an hour.
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Old 04-27-2008, 09:05 PM   #5
EvilGenius
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Could be....

Well I'll preface that if you can't find anything to plug it into over there, it is very hard to tell without seeing what DME codes are being thrown.

That being said, Bently manual shows the following signal wires in that vicinity:

1-Secondary air injection actuator signal line-plugs into little round vacuum actuator near piston 1-2 I think

2-O2 Sensor (but I think this is a 3- or 4-wire connector so likely not that

3-VANOS Solenoid signal line-plugs into very front solenoid at front low on the head

4-Exhaust cam position sensor-this should be in the very back of the block, but not sure if it plugs into a wire or directly into the sensor.

Botton line, pull the cover, use the eyeballs and read the codes. You'll find it!
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Old 04-27-2008, 09:53 PM   #6
mechanic_101
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since it has 2 wires, i think it is for the air pump.

Last edited by mechanic_101; 04-27-2008 at 09:59 PM.
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Old 04-27-2008, 09:59 PM   #7
EvilGenius
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Ahh, found it....

Looking at where that wire was coming from had me curious, and it had a ground (brown) in it, which most things ground to chassis, so it's usually not there. Soo, I just stepped out and looked under my hood and found it in about 10 seconds. This plugs into your windshield washer fluid pump. Sorry to say, no code for that one in the computer! Something else is out of whack too.

Hope this helps! Good luck.
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Old 04-28-2008, 12:22 AM   #8
dragos
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Quote:
Originally Posted by zeshon View Post
Don't bump within an hour.
I must have missed that in the rules section, my bad.

Everyone else, thank you very much, I appreciate the help.
I'll check tomorrow morning to see if its from windshield washer fluid reservoir or pump.
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