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Swifty75
Samba Member
Joined: January 06, 2019
Posts: 21
Location: uk
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 Posted: Sun May 10, 2020 9:18 am Post subject: Fuel Gauge |
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Hello All
I wonder if you could help?
I have recently changed the engine, whilst I was there I thought I would change the sender on the fuel tank, and clean up the tank. The gauge always read 3/4 when nearing empty, and would move to full when filled up. Since I have put it back together I am getting the same results with the new sender. I have tested the ohms on the sender wire and it was reading 92. I thought that this might mean that it is earthing out somewhere between the sender and gauge. However, when I think about it at 92 ohms that would be near to empty which I know the van is at present.
Would people think that this is the gauge?
Any help much appreciated. |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51157
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun May 10, 2020 10:02 am Post subject: Re: Fuel Gauge |
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Telling us the model year of your bus will greatly improve the odds of diagnosis. 
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Слава Україні! |
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Swifty75
Samba Member
Joined: January 06, 2019
Posts: 21
Location: uk
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| Posted: Sun May 10, 2020 10:25 am Post subject: Re: Fuel Gauge |
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Thought that after I posted it. It's an early T2 1970.
I just put a gallon in it from a can I had in the garage and the ohms reading went down to 81. I think I am potentially answering my own question here!!!  |
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HarryFD
Samba Member
Joined: February 24, 2012
Posts: 751
Location: Portland, OR
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| Posted: Sun May 10, 2020 10:53 am Post subject: Re: Fuel Gauge |
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If you have one of the Chinesium Senders, who knows.
Is yours a VDO or a generic aftermarket. I went through 2 aftermarket ones in less than 1 year that barely worked before I found a Czech VDO sender 5 years ago that is still working flawlessly.
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1973.5 911 Targa
2009 MB C300 |
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Swifty75
Samba Member
Joined: January 06, 2019
Posts: 21
Location: uk
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| Posted: Sun May 10, 2020 11:10 am Post subject: Re: Fuel Gauge |
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It is an original gauge as far as I can see.
I think that with both senders getting the same reading at the gauge it would point to something other than the sender. The wiring where it goes into the gauge is reading in line (I think), and ohms are reducing with more fuel. So it would suggest it is the gauge. That will be the next change😀.
Anyone who has any thoughts, or knowledge, your views are more than welcome. |
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51157
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Sun May 10, 2020 12:29 pm Post subject: Re: Fuel Gauge |
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When you turn off the key does the needle fall to below E?
_________________
Rust NEVER sleeps and stock never goes out of style.
Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!
Слава Україні! |
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Swifty75
Samba Member
Joined: January 06, 2019
Posts: 21
Location: uk
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| Posted: Sun May 10, 2020 12:34 pm Post subject: Re: Fuel Gauge |
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| YEs - when I turn the ignition off the gauge goes to empty |
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