astra 2.0 tdi 16v was running ok then just will not start any ideas?

try the fuiel cut of solenoid its on top of the fuiel pump its there 2 shut of the flow of diesel it can be faulty this will cause it not 2 start or fire try this before u touch the pump also there is a relay for the fuiel under the hudi its black there is 2 but 1 of them will stop the car from starting its the first 1

stuart
January 2007