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Discussion Starter #1
can anyone help i have a mk4 astra and itis just not runing right it has no power and when you do drive it the exorst manifold glows red hot i hace changed the cat and landba sencer wot next
 

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Definately sounds like exhaust has collapsed internally- probably cat
 

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The cat has broken up and the bits are now stuck in the center or rear exhaust box at a guess,If theres a serious lack of power take the hego sensor out and take it up the road and see if its any better.
 

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could be the exhaust, I had mine collapse internally and the power just disappeared immediately. The only other symptom was a whole lot of fibreglass coming out the exhaust pipe.

Rather annoyingly I was on the M4 at the time.
 

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Discussion Starter #10
no i have had the hole exorst cheked and its fine any more ideas also changed the lambda senser
 

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what engine is it?
have you read the flash codes?

have you got miss-fires? could be coil pack..
as for the exhaust being red hot.......drive faster to keep it cool ..he he
 
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