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Old 09-29-2016, 03:42 PM   #1
newDIYer
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Help!! I killed my car :(

Hi guys,

So....i think i killed my car. My car was throwing lean codes so I took apart the car to do a smoke test. Confirmed the leak from behind the electrical box. I stripped one of the three screws that was screwed on the electrical box and the nut is stuck there. So cant tell exactly where the leak is coming from. I gave up and put the car back together and was just gonna go to a mech. HOWEVER, after i put it back my car would start strong and immediately die. I barely got it off my rhinoramps and now it wont even accelerate when i press my accelerator.

It's throwing more codes now P0123, P0455, P0313, P0222 in addition to my lean codes. So i looked it up and saw that it may be a wire that i may have missed so i took apart the car again and reconnected the wires (there were all plugged in). I put the car back hoping some magic would've happened but no. Same thing. What could be the problem??

I changed the fuel filter and pump like 3 months ago so it cant be that. But my car was on rhinoramps for like 5 days before it came back down if that has anything to so with it...i believe not tho.

Please help!!! thankss
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Old 09-29-2016, 03:44 PM   #2
Mango
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If you were touching the vacuum system due to a smoke system, you might have a large vacuum leak if your car dies. Check ALL ccv connections particularly twist to lock connections near the front of the engine on the ccv. All connections have to be locked secure.
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Old 09-29-2016, 03:48 PM   #3
BMW-North
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Check the connection of the throttle body position sensor and the MAF sensor


Edit: If not, I suggest you page JFOJ

Last edited by BMW-North; 09-29-2016 at 03:49 PM.
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Old 09-29-2016, 04:58 PM   #4
Landlorder
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Since u got as far as electrical box ill asssume you did not dig that deep into the engine. Check your intake boots not ripped at the icv after you disturbed it. Check theyre correctly fitted to each other and to throttle body too.
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Old 09-29-2016, 05:18 PM   #5
jfoj
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Throttle position codes are part of what is triggering.

Did you attempt to disconnect the throttle body connector? This I believe is a partial twist lock.

The Evap code may be a problem with the connection.

The wires also break near the wire box at the throttle body.
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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 09-30-2016, 02:59 AM   #6
newDIYer
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Oh man...i dont remember if did try playing with it...but i didnt go as far to check my lower intake boot thinking it was nice and secure. But i do remember trying to wiggle the small portion of the lower intake boot from the icv (i believe thats the icv, please correct me if im wrong) and the icv felt a little loose. Is it supposed to wiggle with the boot if i shake it hard enough??

As for the throttle body connector...I'll have to check again...i remember for a fact i removed three plugs the first time but opening it back up i guess it was four...i wouldnt be surprised if i fiddled with that one too...if its not that tho...I'll just have to suspect a failed wire?? I didnt really touch anything since i couldnt remove the electrical box. But i did find this break...but no smoke coming out from that break shown below. The first picture im trying to show where i put my phone through to get the picture of the broken hose. In between the powersteering fluid reservoir and the first screw to the electrical box. It's pretty deep in. i would say middle of the engine. i'll try to get a video in, if you guys can't really tell what i'm talking about...

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Last edited by newDIYer; 09-30-2016 at 03:02 AM.
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