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[rustym95]

it may be the fuel heater then pe-heats the fuel before getting to the glow plugs, can try this turn key to 2 leave for a minute then try it, bit longer than normal to start, there is some one on here that had fixed his but cannot remember the post. my old car had one and you have to give it a little time to work 

That used to be the way to start many diesels a few years ago, turn the ign on so that the glow plug light was lit, and wait 30 secs before cranking.

Is the fuel pre-heater similar to a glowplug then ?

no its a coil go's round fuel line in a case usually on the side of the fule systerm made from alloy will have a 2 pin pluge. only warm the fuel untill ecu tells it to turn off.

[rustym95]

they can go but they a pain to replace as it is in side the housing. best just to give it more time for the glow plugs to heat up. with out cranking the engine.

[andy4775]

I have looked on the engine wiring diagram (Y22DTH)  and there is a relay K80 called filter heating and something U12 filter heating.  Could this be something to do with the preheating!!

[rustym95]

it could be but i dont have manual for a 2.2td, check and see if there is volts on the relay, as for the heater they are in side the throttle housing, and if you start to try and get it out to fix you prob damage somthing else.

[andy4775]

Going to start the car time this morning but may be give it 4 goes on the glowplugs, I know it not as cold this morning but will get back to you Rusty.