Thenoname Posted March 7, 2017 Share Posted March 7, 2017 I very recently purchases a 2008 Mamouth from Basil Thomas cars in Hereford. I was stupid as I didn't do a full test and there was very little paperwork. She blows excesive black smoke yet all fluids and filters were changed and there is evidence to suggest this. With the excption of the oil. It is black as tar and weak as water. The guy insisted he was not stupid and flushed it twice. Now I find that the aircon does not work despite being assured it had been "Gassed UP". And today I find the 4WD Low forward does not work. It only goes 4WD High. Although it does say on the dash 4WD low. I can easily get up to 50mph and still accelerate. So i turned it back to 2WD. Without stating the obvious as my personal situation atm is I am of weak disposition due to illness. What are we looking at please? Especially the smoking. Could it be something as stupid as a faulty fuel filter? I know the guy had to change the FPF which delayed the purchase by 2 weeks. Thanks in advance Thenoname Quote Link to comment Share on other sites More sharing options...
Trevor Posted March 8, 2017 Share Posted March 8, 2017 I would change the engine oil immediately if it is diluted (with diesel) as this can lead to a 'runaway engine' which means the engine oil gets sucked into the combustion chamber and then gets burnt, leading to the engine being able to run on after the engine is switched off, consuming it's own engine oil until it goes bang! If the oil is diluted with diesel fuel then the injectors are possibly leaking/misfuelling which is causing the fuel to leak into the engine oil sump, diluting the oil. Before changing the fuel, I would definitely take it to a diesel specialist who will quickly be able to diagnose the fault and this is more than likely why it is excessively smoking. As for the 4WD situation....are all the prop/drive shafts present...or have one been removed? Quote Link to comment Share on other sites More sharing options...
Thenoname Posted March 13, 2017 Author Share Posted March 13, 2017 On 08/03/2017 at 9:54 AM, Trevor said: I would change the engine oil immediately if it is diluted (with diesel) as this can lead to a 'runaway engine' which means the engine oil gets sucked into the combustion chamber and then gets burnt, leading to the engine being able to run on after the engine is switched off, consuming it's own engine oil until it goes bang! If the oil is diluted with diesel fuel then the injectors are possibly leaking/misfuelling which is causing the fuel to leak into the engine oil sump, diluting the oil. Before changing the fuel, I would definitely take it to a diesel specialist who will quickly be able to diagnose the fault and this is more than likely why it is excessively smoking. As for the 4WD situation....are all the prop/drive shafts present...or have one been removed? 4 wheel drive was entirely my fault. I forgot to put it into neutral 1st lol. It was panic over the other issues. Quote Link to comment Share on other sites More sharing options...
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