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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Ron - I think that may be exactly the problem i'm having. Sometimes when going round a corner or over a bump there is a sound that seems to be coming from the fuel tank - I could imagine it being a plastic baffle floating around in the fuel, it certainly fits what i'm hearing. Pity it's so...
On mine, the gauge swings high/low fairly slowly, as if responding to the fuel sloshing in the the tank. When the car has been stationary for a bit (and the fuel has stopped sloshing) the gauge gives a steady readout.
Presumably there should be either mechanical or electrical 'smoothing'...
I have exactly the same problem.
I will check the earth to the tank first, but provided this is OK, would it not be feasible to connect a small electrolytic capacitor to the output of the sender to smooth any fluctuations in the output voltage to the dashboard?
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