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Mileage?

If above 50k then I would recommend getting the glowplugs checked. 1 way is to give them 2 or 3 lots of "heat" before turning the engine over, if it starts straight away this will point in that general direction. If it still fails then it may well be something else. Sorry it's vague but that's the best from behind a screen!
 

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Yep, 1 for each cylinder. Make sure the garage tests them individually & not as a group, there may well be only 1 that is on its way out.

Have you tried to give them 3 lots of heat then cranking? If so what happens?
 

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The following text is taken from the worldwide forum, interesting end to a similar problem!

Just to let you know that my car is now up and running !<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">In the end i got leak with the 4 injectors.<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; "><br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">I highly recommend the diesel specialist that repaired the 4 injectors :<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">AD Diesel(i hope promotion is authorized on this forum because they really deserve it).<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">They check an injector for 25 ‚¬ and repair them for 125 ‚¬ extra (VAT not included).
[(This company is in Belgium]<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; "><br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">Just to be complete, here is the explanation why the car didn't start.<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">To start, a diesel engine need a minimum pressure in the fuel rail. This high pressure is delivered by a high pressure pump driven directly by the motor (through the camshaft ?). During cranking this pressure is minimal because the motor "runs" at low speed (~400rpm). If you have any leak in the injector, the pressure will drop and will not be sufficient for the injected diesel to ignite.<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">Having 4 injectors leaking, i definitaly had not enough pressure.<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">Once the engine is started, the rpm increase (~800rpm at idle) and the pressure raise. The pressure remains enough even with leaks for the diesel to ignite.<br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; "><br style="font-family: verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif; line-height: normal; : rgb239, 239, 239; ">So there's another option for you to consider!

PS: Can I have an idea who is posting as Kia UK please? Are you a customer service or a technical service official spokesperson?
 

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Thanks for the clarification, just making sure that the info is customer service & not technical related.
 
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