Quote:
Originally Posted by ngoma
The reverse-reading fuel gauge is from a mismatch between the sender and gauge types. Evidently Volvo changed methods, I forget which model year.
My fuel gauge never worked so have been zeroing out the trip odometer at each fill up and making sure to fill again before 500 miles. Works for me.
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As far as I know, the fuel tank (and probably its sender unit) in the red wagon is from the original 1986 gasoline Volvo
but the instrument cluster might have been one from the 740TD donor car that gave the engine,tranny etc to the red wagon?
In this case, solution could perhaps be simple: the current (td?) fuel gauge should probably get replaced with one using a fuel gauge from a gasoline car's instrument cluster.
If the current instrument cluster in the red wagon is not from a td car then it should have the `gasoline` version of a fuel gauge and matching the `gasoline` type sender unit. It is confusing enough so I always kept postponing figuring it out but it would be really nice to have a working fuel gauge.
Another possibility is that maybe the current instrument cluster is from the gasoline car (original to the gasoline chassis) but the in-tank fuel sender unit (and maybe even the fuel tank itself) came from the td donor? I really have no idea at this point.
The fuel tank appears to be a plastic one and, as far as I know, that was a 1986- thing from Volvo. The donor td was a 1985sedan so I doubt the tank was transferred towards the 1986 wagon body.