Car not starting

Feb 23, 2021
Hi Guys

(ibiza 1.2 tsi )car not starting fuel pump sending fuel to engine, Engine is cranking but the car is not starting. Have had the car diagnosed its coming up with main relay short to B+ and Throttle valve control faulty operations. Ive changed the fuel pump and there is a live to the pump and you can hear it and ive taken the feed pipe off and fuel does come to the engine. checked all the fuses they are fine. there is a spark from the plugs so thats not the issue. Any ideas ?
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