fitted with the 230 16v merc. engine, has anyone had dealings with immobilizers on these things, engine starts then cuts out after 1 sec.owner said only immobilizer was on aftermarket alarm system (starter circuit) now removed.checked coils, plugs,ecu supplys/earths etc. (remember merc. ones going faulty and ecu shutting down as a protection).can immob. be bypassed.vehicle been to a daewoo dealer and not interested.begining to think ecu, but source/price?