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Hello, thanks for posting
If the engine starts and runs how long does it run before shutting off? Have checked it for any diagnostic codes?
Ok, I understand, does it start at all? does it run and shut off right away? I'm trying to get some kind of idea what is going on with this engine so I have to ask some questions.
By turn over do you mean that the engine is cranking with the starter but not fire up?
Have you check for spark at the coils, where the spark plugs go into the connector? Do you happen to have a 12 volt test light or voltmeter?
If you need more time to do this we can continue tomorrow morning.
Have a good evening.
If the fuel pump is working how can it be a relay? maybe it's better that you have a dealer look at it , this is beyond what I can deal with here not having access to the car.
I understand, sorry but it is what it is, I can only do so much here online, good luck.