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Old 2 Weeks Ago   #1
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Exploding Marea Exhaust!

Hi All,

RE: Marea 1.6 sx 1999.

Well... coming home the other day, the red injector light was on/off and the car was missing something terrible.
Then there was a big bang and we thought the exhaust had fallen off.
Actually it looks like the box exploded, what on earth would cause that?

On the plus side, the injector light stayed off after that and it didn't seem to be missing anymore, it was just rather loud.

See pic, anyone know if this model has a cat (ouch). If it does, is it legal to fix an exhaust without one? I found one in Poland...

Steve
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Last edited by Brim987; 2 Weeks Ago at 11:10.
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Old 2 Weeks Ago   #2
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Re: Exploding Marea Exhaust!

Yes you have cat

This looks like muffler was clogged, or it was falled apart inside, and those bits blocked on outgoing pipe.

Due to pressure, muffler snaped on place where it was weaked.

Also check cat, maybe falled apart inside.

On my Marea, i opened cat, removed inside cells, and welded straight pipe. From outside looked like a cat.

I did it because i had LPG- im my country you dont have to test exaust gases on MOT
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Old 2 Weeks Ago   #3
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Re: Exploding Marea Exhaust!

Hi,

One of the internal preforated pipes or separators has rusted away and allowed the filling to block the outlet pipe. As a result the box has ruptured due to back pressure. Should not have affected the CAT. Just get a new box.


Robert G8RPI
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Re: Exploding Marea Exhaust!

>Should not have affected the CAT. Just get a new box

That's great news, thanks. I'm dreading ringing Fiat for a price..., if they even still have such a thing..

Steve
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Old 2 Weeks Ago   #5
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Re: Exploding Marea Exhaust!

Just a thought but could that back pressure have caused the misfiring/injector warning light?. It seemed to be ok after the bang... (!)
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Re: Exploding Marea Exhaust!

>im my country you dont have to test exaust gases on MOT

Thanks for the reply, sadly that's not the case in the UK..
:-(

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Thumbs up Re: Exploding Marea Exhaust!

Quote Originally Posted by Brim987 View Post
Just a thought but could that back pressure have caused the misfiring/injector warning light?. It seemed to be ok after the bang... (!)
Yes, The backpressure would have affected the running and probably put the light on.
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Old 2 Weeks Ago   #8
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Re: Exploding Marea Exhaust!

>probably put the light on.

Woo hoo, more good news. Thank you!

I just found a full exhaust for under 200 quid, inc cat. Wow.

So now I just need to see if my Fiat dealer can diagnose my ABS warning light
and the Marea might yet be saved.

My local garage can't plug into it, if Fiat can't either then I guess I'll be back here to learn about wiring something to do it. Yikes.

Steve
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Old 1 Week Ago   #9
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Re: Exploding Marea Exhaust!

KKL+ 3 pin adapter and Multiecuscan will do all diagnostic
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