UK Car Repair Questions? Ask a Mechanic for Answers ASAP
Hello and Welcome -
My name is ***** ***** Im happy to help / advise.. Sorry to see you have had a wait.
If the engine actually starts and tuns as you describe - but every time then cuts - within 2-3 seconds.. this indicates an immobilser system fault usually. So you need to check that side of things out.. try a different key.. If you have a key failure fault, that will cause this. If you do have an immobilser system fault - you should see indication of this by way of a flashing light / security system light when cranking....
IF its not as above - then you need check the basics -- as you mention, if it has fuel up to the engine - is fuel getting to the cylinders? Plugs -? are they getting wet with fuel? If not - you posssibly have a crank sensor fault - that then too would cause a lack of ign spark..
If it comes to that , you will really need a plug in diagnostic test to see whats wrong - but do check the actual wiring first in the ign circuit -
Let me know how you go..and / or let me know if you need anything further on this.. I will be only on a little tomorrow due to other commitments but will always get back to you if needed.~>>~~>>~ Meanwhile now at this point- Please do click on the "Exc / Ok rating" for me at this time.. "Thank you" in advance for that ... Note that you can get back to me anytime at all after doing the rating - it doesn't close you out --Best Rgds, MIKE