My fuel gauge starts off showing the correct level, then will suddenly jump to empty and occasionally then to full. It also returns to the correct level for a bit, before showing empty again.
I thought it would be the usual suspect - drivers side fuel sensor - but I've taken that out, looked for broken and cracked wires, checked the resistor surface, run the float over it's operating range and checked the resistance -all OK. Then I did the same checks on the passenger side - also OK.
The next step was to replace the instrument cluster (I needed one anyway) and the problem is still there.
Any ideas?
Jo