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What is the box on top of rear exhaust

Tiny
NIEVESFOO
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  • 2001 FORD MUSTANG
  • V6
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
So when I was checking the rear for oil leaks. I found a box right above the rear or the exhaust and it was missing a connection. There is a honeycomb shape (filter?) Inside that box and I later found the connector for it. It appears that the connector tube is chipped and that’s why it can’t stay connected. What is that box and can I repair the connector?
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Wednesday, January 22nd, 2020 AT 11:14 AM

10 Replies

Tiny
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Good afternoon,

Can you post a picture of the box?

It sounds like the evap canister but want to be sure.

Roy
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Wednesday, January 22nd, 2020 AT 1:39 PM
Tiny
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It’s the white tube like connector.
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Thursday, January 23rd, 2020 AT 4:27 PM
Tiny
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That is the evap line for the canister. The vent will be open as it vents to atmosphere.

Roy
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Thursday, January 23rd, 2020 AT 4:43 PM
Tiny
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This one disconnected when it I checked it. The reason because the clip that goes inside the canister is broken so it doesn’t hold that well. So how can I replace that? What was happening throughout the time that was disconnected?
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Thursday, January 23rd, 2020 AT 4:46 PM
Tiny
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Is the check engine light on with a code stored? You can have the codes checked at a parts store for free.

https://www.2carpros.com/articles/how-emission-control-systems-work

https://www.2carpros.com/articles/evap-system-code-repair

Roy
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Thursday, January 23rd, 2020 AT 4:54 PM
Tiny
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If I recall, the only code that comes up is a P0430 but that’s for something else.
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Thursday, January 23rd, 2020 AT 5:09 PM
Tiny
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I will check again with my scanner before I head to work.
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Thursday, January 23rd, 2020 AT 5:09 PM
Tiny
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Okay, the 430 is a bad catalytic converter on the driver's side. The catalytic converter is part of the header pipe. It is replaced as an assembly with both catalytic converters.

Roy
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Thursday, January 23rd, 2020 AT 5:22 PM
Tiny
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Can’t the P0430 code also have to do with exhaust manifold leaks? About a week ago I used JD weld to cover those leaks but I haven’t reset the code yet. I was hoping it would go away by itself. But if it’s a catalytic converter thing then that’s something I have to replace when I have the funds.
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Thursday, January 23rd, 2020 AT 5:26 PM
Tiny
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Try it and see. If it does not work, then yes, replace the catalytic converter.

Roy
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Thursday, January 23rd, 2020 AT 5:35 PM

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