04 XF 6spd 159,000
Owned for 2 weeks now running great
replaced the air filters, changed oil and filter , flushed the coolant with all new, replaced the throttle position sensor Pedal, the throttle position sensor on back of engine, replaced the MAP sensor ( Bosch) the crank shaft position sensor, (Bosch) i have done the reset several times with the key and holding down the pedal.

So today driving to work it started up again. And so did the reset and once again running fine. And no check engine light at all.. so I am lost. Please any advice be great.