HIYA I HAVE A AUDI A4 1.9 TDI 110 RED I , I HAVE CHANGED MOST PARTS ON MY CAR NOW BUT EVERY NOW AND THEN IT GO'S INTO LIMP ME HOME MODE , A QUICK OFF/ON WITH THE IGNOTION SORTS IT OUT BUT IM LOST AS TO WHAT IT COULD BE .. IV PUT A NEW N75 "BOTH", NEW PIPE WORK , NEW INJECTORS , NEW FUEL FILTER...