Whant start after filterchange
2005 Peugeot Partner 1.9 d

Was leaking fuel/ drawing air out side of hand pump,running rough.I changed fuel system with new filter and bulb bleeder.it starts fine for a day or two and fails to start again in the morning.I have cleaned the air intake sensor with then recommended spray and cleaned the intake throttle body with the correct spray and off it goes for a day or two,next morning no start.I've checked all the fuses that I can find under steering column and the ones in the engine bay. .all good..please help...thanks..jfl