it has a very loud diesel knock at low revs but is ok at higher revs and pumping a bit of black smoke from exhaust is it injectors if so are they easy to replace thanks
halfords sell injector cleaning sedative ,you need to mix it with your fuel when u fill 1/2 tank and it would clean your injectors. this is your cheepest bet....but make shure you get the DIESEL ONE hope i helped
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