Hello,
5-6 months ago I've sent the turbo to be repaired,the Wastegate was very bad.
I've installed the turbo after I got it back,and after 200-3000km I've had a Check Engine with P0420.
( in the same time the car didn't had any stoppage or hesitation when going fast or slow. )
After another 200 300km same error ( after cat cycle ).
Last week I did some leak test,but there wasn't a single leak.
On vcds the cat test PASSED(VCDS Readiness)everytime,but the temperature doesn't rise more than 300 or so.
I don't thing that the cat is dead,maybe there is something else,because the car runs great,no smoke or bad smell.
Does someone has any idea?
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