Nissan Repair: Nissan Cefiro A31 not starting..., nissan cefiro, fuel pump relay

Question
hi, im having problems starting my A31 Nissan Cefiro RB25de... we have spark, fuel pressure and done a diagnostic test with the car CPU and it flashed 55, which is fine, but the car wont fire, the engine is turning over but not firing, we have replaced the fuel pump cos we had almost no fuel pressure at one stage, dad drove the car home and then started it the next day and it would not start. Any help will be really appreciated..thanks

Answer
Rodney,

So, no computer codes and the car was rinning fine?  I would check the fuel pump relay and also make sure you have fuel pressure.  Next, check the plugs to see if you are getting spark.  Email me back with further questions and information.