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The BMW Range
3 Series
E36
e36 Fuel gauge failure..is it common?
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<blockquote data-quote="samms" data-source="post: 61894" data-attributes="member: 114"><p><strong></strong></p><p><strong>i'm not an electrical engineers, but i would guess that your last super-permanent soldering created an ultra low-resistance connection that totally screwed up the calibration of the electrical signal meant to convey the reading of the fuel gauge...</strong></p><p><strong></strong></p><p><strong>the fuel float likely sends an analogue signal to the fuel gauge, with the strength of the signal denoting the position of the float, thereby measuring the level of fuel in the tank.</strong></p><p><strong></strong></p><p><strong>the DIY soldering, in place of actually replacing the faulty unit, is likely to alter the resistance of the wiring... therefore, you'll screw up the accuracy of the fuel gauge...</strong></p><p><strong></strong></p><p><strong>expert sifu Jarance can comment much better... </strong></p></blockquote><p>Not sure about resistance.. too hi or to lo.. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /> never recheck what my mechs did.. as long the give me waranty.. :yes:</p><p>[/QUOTE]</p>
[QUOTE="samms, post: 61894, member: 114"] [b] i'm not an electrical engineers, but i would guess that your last super-permanent soldering created an ultra low-resistance connection that totally screwed up the calibration of the electrical signal meant to convey the reading of the fuel gauge... the fuel float likely sends an analogue signal to the fuel gauge, with the strength of the signal denoting the position of the float, thereby measuring the level of fuel in the tank. the DIY soldering, in place of actually replacing the faulty unit, is likely to alter the resistance of the wiring... therefore, you'll screw up the accuracy of the fuel gauge... expert sifu Jarance can comment much better... [/b][/quote] Not sure about resistance.. too hi or to lo.. :( never recheck what my mechs did.. as long the give me waranty.. :yes: [/QUOTE]
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e36 Fuel gauge failure..is it common?
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