Que Tal? necesito ayuda porque ya encontre el error que me activo el check engine es el P1174 Fuel Trim Adaptation Additve Bank 1 Malfunction alguien sabe que debo hacer para arreglar esto.. que reviso? que hago? aparte aqui hay una buena direccion para cuando quieran buscar algun codigo como me paso a mi, que el escaner detecto el error pero no dijo mas que P1174 Y yo tuve que buscar que rayos significaba. espero le sirva a alguno de vosotros..:wink: buscar en http://www.obd-codes.com/trouble_codes/bmw/
mira este caso que encontre, es un BM que tiene los mismos codigos, qUE Pensas vos de esto: lo encontre aqui: http://autorepair.about.com/library/a/1h/bl648h.htm Q. Hi, could you confirm check engine code of P1174 and P1175 and possible causes? One shop says vacuum and one says transmission problem. Maybe related, I don't know. 1997 BMW 740i. Thanks... A. As for the codes: [*]DTC P1174 is "Fuel Trim Adaptation Additive Bank 1 Malfunction". [*]DTC P1175 is "Fuel Trim Adaptation Additive Bank 2 Malfunction". SUBJECT: Intake Air System - Un-metered Air Leaks MODEL: E39, E38, E31 with M62 engine Situation: Check Engine Lamp is illuminated and fault codes 27 (P1174) and 35 (P1175), oxygen sensor control adaptation, are set in the Engine Control Module (DME). Cause: Un-metered air leaks may occur in the following areas causing the above situation: [*]Intake manifold gaskets may be leaking. [*]Plug cap(s) and the vacuum hose for the fuel pressure regulator on the rear intake manifold cover (crankcase ventilation valve) may be torn or missing. de veras me seria util tu opinion. Gracias
