Evening there Rob , I have a 2.5 tdi ( D5252t ) & as far as I can remember there is no cam sensor as the cam is not keyed to the pulley . If my aged brane is working ( & I doubt it ) you will find the crank sensor to the rear of the block near to the bellhousing .
Rubbish starting first thing , blue smoke & gutless performance is a clear indication of incorrect dynamic pump timing . You set everything using dial test indicator & then once the engine is working , you get the engine temp to 80C or hotter you use Vida/ Dice set up to adjust the timing to the required setting .
These engines are VERY sensitive to timing issues , slightly retarded & they generate blue smoke at tick over for fun
My first port of call would be to find a member with Vida near by to see how far out the injection timing is when running , even though it was done , it is not impossible that the timing is no longer accurate
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To stupidity & beyond
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