nano Posted January 7, 2019 Share Posted January 7, 2019 Hi everybody, I was driving my car on full boost ,0.8bar. Suddenly i heard like bang, car lost power and wont boost over 0.2bar.Car is running good under boost though, no smoke no rattle etc... I checked ic piping, all good. Dump valve is ok too. The wastegate is a genuine tial f38 i bought 6 years ago. Can a bad diaphragm cause boost leak or on the contrary i should overboost as the valve wont open. I m confused because my friend says a bad Diaphragm can cause boost leak. Can it be the turbo itself? I say again no whislte no smoke at exhaust. Quote Link to post Share on other sites
SKINY Posted January 7, 2019 Share Posted January 7, 2019 I had a broken dump valve pipe last year and woodnt boost past .3 bar the bang you heard is almost certainly something popping off, smoke test will show it up Quote Link to post Share on other sites
nano Posted January 8, 2019 Author Share Posted January 8, 2019 Hi the hose to bov is ok. Very easy to see if there is a leak there. Thanks Quote Link to post Share on other sites
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