A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

New Turbo and Same problem

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Old Jul 20, 2005 | 05:08 PM
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AEBlessed (1.8G)'s Avatar
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Default New Turbo and Same problem

A few weeks ago, I thought that my turbo had died. I ordered the ATP kit, and in the mean time, put on another k03. With the new turbo on, the symptoms are the same. Someone suggested that the problem may be a clogged pre-cat, or whatever the cat is right off the turbo. Sounds logical to me, what do you guys think?
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Old Jul 20, 2005 | 05:45 PM
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Default I had a piece of the cat material break off & clog the cat outlet...

the car would not rev past about 4K & would only go about 40 MPH.

Put your hand over the exhaust pipe & feel the air coming out. If possible compare it to another 1.8t. Also, there was a whistle out of my exhaust too.
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Old Jul 20, 2005 | 05:50 PM
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The heat gun says the exhaust temp going into the cat is 300, but its 260 coming out.
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