4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Throwing Codes, need you guys now more than ever: stumped.

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Old 09-29-2010, 12:07 AM
  #11  
Warrior62
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maybe ill get a vid of the sound tomorrow if you can hear it over my V1 and magnapacks, shes a loud girl!
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Old 09-29-2010, 12:29 AM
  #12  
cliffyk
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I don't believe you would have damaged anything, the PCM is actually a rather robust device and the particular circuits that were affected can tolerate open and/or shorted inputs.

If the belt is misaligned by "a notch" as you describe the noise you describe could very well be the belt scraping on something...
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Old 09-29-2010, 12:41 AM
  #13  
Warrior62
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well what about the fact that I had been running lean?

And yes I hope it's just the belt..I meant it is one rib off, had never happened before.

Cliff I want to thank you again for all your insight, you should be a mod!! If youre from ohio imma buy you a case of your favorite brew! (well im only 19 so you would have to buy em lol)
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Old 09-29-2010, 12:42 AM
  #14  
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ahh FL..next time im down there!
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Old 09-29-2010, 10:22 AM
  #15  
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Cliff saves the day again. I refuse to do wiring with butt splice connectors or anything like that, solder only its super easy and effective.

OP Bet you're done screwing around with wires now without knowing whats going on huh? Lol.

If your belt is off a rib that is most certainly causing that screaching noise. You best get that belt back on right and figure out why it slipped otherwise you will have engine problems.
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Old 09-29-2010, 11:32 AM
  #16  
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I have no problem with butt splices, if done properly--and that is the general problem...

They MUST be filled with dielectric grease prior to crimping, and must also be either staked or full compression crimped. The crappy "squashing" type crimping tools that are sold all over are absolute junk.

Staking vs, Squashing type:


Best, die-formed full compression ($15 at HF, often on sale for $10):


All that said, at the PCM I would use a soldered lineman's splice:
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