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Re: Measurements with tank full of fuel. (archive)
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Posted by Steve Howes on March 13, 2000 at 15:15:02:

In Reply to: Measurements with tank full of fuel. posted by Frederick on March 12, 2000 at 14:51:43:

: I filled up my bimmer to the neck of the tank and measured the resistance on both fuel sender terminals. The one with the fuel pump measured 245 Ohms and the other one measured 222 Ohms, so does that mean there both defective?
: Since my mech messed around with the fuel senders quite some time ago I never get a reading on my guage anymore, it used to least show full only when the tank was 100% filled.
: Regards
: Frederick

They are very sensitive so both could be faulty. However, the one with pump is close enough to spec that it might just be because the tank is not quite full even though you thought it was. I would just try replacing the other unit first and see what happens as that one is almost certainly faulty.

BTW. You sure your meter is good? I had a bad time with analog meters and now have a much better digital unit.

Don't forget, if you need both units I have a known good spare with pump.

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