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BogdanSpiridon
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Joined: 26-September 13
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BogdanSpiridon

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26 Sep 2013
Buna ziua,

Masina: Opel Vectra B din 2001, motor Y20DTH.

In momentul in care dau drumul la acceleratie, valva EGR (mecanica, vacuum-based) se deschide si ramane asa pana urmatoarea data cand accelerez (nu coboara imediat, cum ar fi normal). Acest lucru face ca turbina sa intre haotic, ba la 1000 RPM, ba la 1500, ba la 2000. Unul dintre putinele momente cand intra corect (la 2500 RPM) este atunci cand stau pe loc.

Toate electrovalvele functioneaza corect (testate). Doua dintre ele abia au fost schimbate, inclusiv cea de la EGR, iar valva EGR este noua.

Mai detaliat: asa ar trebui sa functioneze EGR-ul: http://www.youtube.com/watch?v=C6-Lw0ZfzxY
Cand se ia piciorul de pe acceleratie, vacuumul trage supapa din interior si se deschide EGR. Imediat, se inchide la loc. La mine, se deschide la maxim si ramane acolo pana cand accelerez din nou.

Cine comanda electrovalva de la EGR ? Ce ar putea sa o faca sa nu dea drumul.

Va multumesc!
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