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| 03-09-2013, 12:23 PM | #1 |
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Mech Engr
98
Rep 565
Posts |
n55 jb4 mid-install help!
Only posting here to get quicker response.
I'm mid install on a jb4--I have the TMAP, MAF and MAP sensors installed as well as the Solenoid...but there's an extra set of connections coming out directly behind the MAP wiring point that I do not know what it connects to. BurgerTuning and N54tech.com don't have any info on the harness i'm referring to. Is it possible that its for the n54 engine? Or that I received the wrong harness? Trying to get this done ASAP. Thanks |
| 03-09-2013, 02:09 PM | #4 |
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Enlisted Member
 3
Rep 39
Posts |
jb4 help
it's the flex fuel wire
reach around the back near the back of then engine near the firewall and you'll feel the plug.
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Current Fleet: 2011 135i / E46 M3 / E60 530i
Retired Fleet: 96 Maxima / E90 325i |
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| 03-09-2013, 02:20 PM | #5 |
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Mech Engr
98
Rep 565
Posts |
i don't ever plan in running E85 as its no where around me...any issues just leaving it unplugged? i have about 3 codes and a limp mode light coming on... even when turning jb4 to stock
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| 03-09-2013, 03:41 PM | #6 |
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Major
 
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Drives: 2020 SO - M2C
Join Date: Dec 2010
Location: KOP, PA
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monster i just installed mine today .. i did not install the flex fuel hook up i kept it in the ECU box with the jbv4 .. ill connected it in the future
also, the person who you bought it from probaly was running the e85 .. just make sure to apply the default settings for 135/335 to the jbv4 b4 you close up everything. |
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| 03-10-2013, 09:42 AM | #7 |
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Mech Engr
98
Rep 565
Posts |
My issue was in the current firmware and not cutting the diode on the G5 board. Kept getting 29E0 code (fuel mixture control) so thought it was wiring but got it figured out, runs great. Thanks for the input and quick replies everyone. Definitely gave me a starting point
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