Fiesta not starting after crash

[sean66]

I have just bought a zetec s tdci on a 10 plate the problem is it starts then dies straight away ? Am i right in assuming this car doesnt have a fuel inertia switch anywhere ? No airbags have deployed . Any help greatly appreciated . Sean

[Stoney871]

Diesels indeed do not have inertia switches.

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[jbell]

Any warning lights or loses power entirely? What section of the car was damaged? 

Check error codes with obd or check battery.  

[isetta]

I am thinking maybe fuel filter blocked or air needs bleeding from the fuel pipe up to the high pressure fuel pump (the pump driven by the cam belt)