Sveiki, Audi a4 2.8 V6 5V benzinas/dujos 2000m. Degė variklio check lempute. padarius diagnostika ismete klaida kad nudeges Lamda zondas (B2 S2), pakeiciau visiskai nauju, pravaziavau 100 km~ lyg ir viskas ok. Kita d vaziuojant is niekur nieko uzsidege vel checkas, sustojau, bandziau uzgesint ir kurt varikli is naujo, ant benzino vos vos pakuriau is 4 sykio ir variklis purtydamasis dirba mazdaug 400rpm, isijungus dujom lyg ir normaliai viskas bet checkas nedingsta.Neberandu kame beda.   padarius diagnostika rodo va   ka:

4 faults found:
17831 - secondary air injection system; bank1
             P1423 - 35-00 insufficient flow
17819 - secondary air injection system; bank2
             P1411 - 35-00 insufficient flow
17536 - Fuel trim; Bank 1 (mult)
             P1128 - 35-10 - system too lean - intermittent
17537 - Fuel trim; Bank 2 (mult)
             P1129 - 35-00 - system too rich.