shabba Posted December 4, 2010 Share Posted December 4, 2010 my cars not firing up after having a mechanic check it over and put in new glow plugs its still not firing, he said its due to the diesel being frozen in the tank!! anyone had this problem and anyway of sorting it?? thanks Link to comment Share on other sites More sharing options...
convert Posted December 4, 2010 Share Posted December 4, 2010 Put some unleaded petrol in it at a ratio of 50:1 Diesel:petrol. Link to comment Share on other sites More sharing options...
wednesday1 Posted December 4, 2010 Share Posted December 4, 2010 My diesel's been alright, other night may have come close to freezing up as thermom in car read -9. think diesel freezes at -12°c. Link to comment Share on other sites More sharing options...
Mr_Squirrel Posted December 4, 2010 Share Posted December 4, 2010 Put some unleaded petrol in it at a ratio of 50:1 Diesel:petrol. I would be very wary of doing this. At one time, this mix of Petrol/Diesel was a common practice but that was long before modern computerised engines with sensors all over the place... In fact, most modern diesel vehicles have a warning on the filler cap and in the handbook stating that under no circumstances are you to add petrol. Are you sure the fuel has frozen? Diesel now has an additive that prevents it freezing up to something like -30oC I would be more tempted to check the fuel filter as this collects the moisture in the fuel and that could well have frozen up... But i doubt its the fuel in the tank. Link to comment Share on other sites More sharing options...
shabba Posted December 4, 2010 Author Share Posted December 4, 2010 mr squirrel, the mechanic was very certain that the diesels froze up, i have parked it in the garage and put a charger on the battery.... so will check it tomorrow as he was 100% sure it will fire up. i changed the glow plugs as its been weak to start on cold mornings anyway. So you wouldn't reccommend a bit of petrol in the tank?? i also thought that diesel doesnt freeze as my mates and other family diesel cars have been fine. Link to comment Share on other sites More sharing options...
kevvy Posted December 4, 2010 Share Posted December 4, 2010 Don't think Diesel actually freezes, it turns waxy so won't go through the system. Link to comment Share on other sites More sharing options...
Mr_Squirrel Posted December 4, 2010 Share Posted December 4, 2010 mr squirrel, the mechanic was very certain that the diesels froze up, i have parked it in the garage and put a charger on the battery.... so will check it tomorrow as he was 100% sure it will fire up. i changed the glow plugs as its been weak to start on cold mornings anyway. So you wouldn't reccommend a bit of petrol in the tank?? i also thought that diesel doesnt freeze as my mates and other family diesel cars have been fine. If your mechanic is certain, then he is probably correct.. its just that in 20odd years of running diesels (and petrols), i have never actually experienced frozen fuel. You must live in a really cold area In days before computerised engine management systems, a bit of petrol in the tank at a mix like Convert says was a common practice but certainly in the last decade or so, all the handbooks etc have really stressed not to add petrol under any circumstances.. Personally, i wouldnt but the risk is up to you. Having said all this, what kind of car is it anyway? Link to comment Share on other sites More sharing options...
UNSC-Spartan Posted December 4, 2010 Share Posted December 4, 2010 Diesel doesnt freeze due to a wax added to the solution to stop it from doing exactly that. Unfortunatly i cant think of what your problem may be, but if i have any ideas i will let you know Link to comment Share on other sites More sharing options...
shabba Posted December 4, 2010 Author Share Posted December 4, 2010 cheers guys, its my workhorse which i need running asap, its a bora tdi. we will see if he is right tomorrow as its in the garage, i really hope he is.... Any ideas what it can be if its not the diesel??? Link to comment Share on other sites More sharing options...
Space Posted December 4, 2010 Share Posted December 4, 2010 Surely if you buy decent diesel such as Shell etc. they should put something in the fuel to stop this?? Link to comment Share on other sites More sharing options...
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