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Old 08-08-2021, 08:46 PM   #1
Hcd3ss
 
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Help with maf short circuit

Hey guys hoping someone could point me in the right direction. One of the ribs of my belt separated and slung off. It took the maf harness with it. I have rewired everything (5 wires) extended them and got them out the way. I知 still not reading maf, or quite a few other parameters. All 5 wires were jumbled together when I realized what was wrong so everything shorted out. Wondering if anyone could point me in the direction of what fuse I need to change.. or where I need to begin testing. Info in pictures. Thanks in advance.
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Old 08-08-2021, 10:17 PM   #2
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I was hoping someone would answer your question about which fuse, because I don’t know off hand, but I noticed no one responded yet. If you find the corresponding fuse and it’s intact, I’d check continuity through each of your repaired wires to make sure your connections are all good. If they’re all sound, I’d trace the wires back through the split loom to see if there is any other damage breaking the circuit. A wire may be torn apart inside of the insulation or even pulled loose from where they terminate. I know it doesn’t answer your initial question but I hope this helps. Worst case, it’ll bump it to the top so someone else can see it and maybe respond with your answer. Good luck
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Old 08-09-2021, 01:49 AM   #3
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Sorry that happened. Nice job on the rewire. Any chance the short took out the MAF sensor? Sometimes shorts get past fuses in quick enough to do damage to the circuit it's suppose to protect. Anyway, not sure if this helps but this is a thread from FasNufhttps://www.camaro5.com/forums/showthread.php?t=580684 Hope it helps or helps you SSammy.
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Old 08-09-2021, 09:12 AM   #4
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Fuse # 14 in the under hood fuse panel.

https://www.camaro5.com/forums/showthread.php?t=524951

My problem turned out to be an exposed wire at the passenger side of engine. The 2011 uses a metal clamp to hold the wiring loom. it bolted to the head. The wiring loom was dry rotten and the metal clamp chewed through my maf wiring.

After repairing the wiring I used a short peice of 3/4inch heater hose (sliced down middle) to protect my wiring harness from the clamp.
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Old 08-09-2021, 04:51 PM   #5
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I’m just off work and diving back into it now thank y’all for the responses I’ll let you all know what I find.
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Old 08-09-2021, 05:00 PM   #6
Hcd3ss
 
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DaaanG first thing I see is that raggedy metal clip.. that Is a bad design. I知 gonna find a piece of heater hose for mine too
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Old 08-09-2021, 05:53 PM   #7
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Thats the one. Might not be your problem, but worth a look. Strange, minde threw a P069e also.
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Old 08-09-2021, 07:25 PM   #8
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Those wires should have been soldered and sealed with heat shrink tubing, that has the glue inside of it. That repair job isn't going to last and could possibly cause circuit low faults because of the crimped butt connectors, which could add resistance to that circuit. Not what you want on your MAF circuits.
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Old 08-09-2021, 09:12 PM   #9
Hcd3ss
 
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Got it fixed. Thanks for the help guys. It was that fuse (F14U, in the X50A fuse box) I値l post info.. and a little gem I ran across during my search. Thanks so much for the help.
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Old 08-09-2021, 09:13 PM   #10
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https://drive.google.com/file/d/0B7t...R5Bz9t84OY7fLg
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Old 08-09-2021, 09:14 PM   #11
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It takes a while to open that file by the way, it’s nearly 11,000 pages.
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Old 08-09-2021, 09:35 PM   #12
Hcd3ss
 
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Quote:
Originally Posted by G8One2 View Post
Those wires should have been soldered and sealed with heat shrink tubing, that has the glue inside of it. That repair job isn't going to last and could possibly cause circuit low faults because of the crimped butt connectors, which could add resistance to that circuit. Not what you want on your MAF circuits.
Good eye, and good lookin out... but I値l make it, my vve tables are beautiful. I could have thrown the maf in the trash, but then I壇 have a hole in my intake tubing. 😂
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Old 08-10-2021, 05:15 AM   #13
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Quote:
Originally Posted by Hcd3ss View Post
Got it fixed. Thanks for the help guys. It was that fuse (F14U, in the X50A fuse box) I値l post info.. and a little gem I ran across during my search. Thanks so much for the help.
This explains a lot. When i was scouring the internet trying to figure out why I blew that fuse, my search results seemed to have a common denominator...

BAPS. Boost a pumps injecting extra power into the fpcm probably blow that fuse occasionally. Maybe due to poor grounding or settings inside the BAP throwing too much juice. I dont know. But just about everyone that had a blown fuse was running a BAP.

Not your problem here, but good to know the FPCM uses the same fuse.
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Old 08-15-2021, 06:42 PM   #14
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Just to promote solid info and clarity. I DO have a BAP on this vehicle. Like you said the BAP was as not my issue in this case, but it is present on the vehicle.
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