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The mkiv Supra Owners Club

supra bpu


wilkorangerover
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Guest coldflame

that 1 i dont no all i did was take a block out at at a time stick the plug in the end and see what the spark was like and one of them was weak so i tryed a differant plug still the same so i changed the pack job done

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As the guys have suggested it could be a number of problems, the heat range which hasn't been mentioned yet could also be worth checkin now you have gone BPU as well as electrical problems as not firing correctly can have the same effect? do you know the part number of the plug? and also when you say the tip are black....do you mean fouled, are they dry and sooty, or wet/sticky and matt colour

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