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E36 - fuel gauge problem
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<blockquote data-quote="jarance" data-source="post: 305929" data-attributes="member: 21"><p>First check the resistance of both the level transmitter with a ohms meter. You can easily buy a analog type for about RM40 to 50. The resistance should be from</p><p>10 ohms to about 150 ohms depending on the amount of fuel in the tank.</p><p></p><p>Tank full = 10 ohms</p><p>Tank empty = 150 ohms.</p><p></p><p>If the resistance is within the range then it is not the fuel sender (level transmitter) problem. It could be the fuel gauge.</p><p></p><p>based on my experience, it is usually the fuel sender due to wire coming off when you go over a bump.</p><p></p><p>I have solve the problem by removing the original cable and resolder with a wire that is resistance to petrol and longer to allow the fuel pump to move free without letting the cables becoming taunt when it is pull.</p></blockquote><p></p>
[QUOTE="jarance, post: 305929, member: 21"] First check the resistance of both the level transmitter with a ohms meter. You can easily buy a analog type for about RM40 to 50. The resistance should be from 10 ohms to about 150 ohms depending on the amount of fuel in the tank. Tank full = 10 ohms Tank empty = 150 ohms. If the resistance is within the range then it is not the fuel sender (level transmitter) problem. It could be the fuel gauge. based on my experience, it is usually the fuel sender due to wire coming off when you go over a bump. I have solve the problem by removing the original cable and resolder with a wire that is resistance to petrol and longer to allow the fuel pump to move free without letting the cables becoming taunt when it is pull. [/QUOTE]
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