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  #31  
Old 09-17-2023, 09:21 AM
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Originally Posted by andrewwynn View Post
Better to teach a man to fish.

Do an advanced search;

Username: andrewwynn
Title: awr-fix

I put awr-fix in the title of my repair threads to make it easy for people including myself to find the threads.

It's how I find mine or other threads.

Try to find. If you have problems somebody will help but you'll fare much better in the long run learning that skill for finding topic based discussion.
Found it, thanks, the simple search wasn't playing ball for me. Advanced search for it. I don't have the factory obc thing so I can't get hidden test menus, I don't seem to have any issues with my fuel gauge misreading though? Would it still be that sipon jet thing if my cluster gauge is reading right?
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  #32  
Old 09-17-2023, 09:46 AM
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Hot start issue m62tub44

Hidden menu only uses the trip odometer button to access.

The cluster gauge can read wrong when a sensor is dirty on ether side.

Siphon jet diagnoses requires getting into the hidden menu or a scanner that can read the data directly.

On my e70 I can read fuel level with scanner I don't recall that option with my e53.

The only way to know for sure the tank is reading correctly is to run the tank down to single digits DTE and fill and see if you get 24g of fuel into the tank.

When performing this test, you can monitor test six and avoid fuel starvation with careful observation.
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  #33  
Old 09-17-2023, 09:51 AM
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Originally Posted by andrewwynn View Post
Hidden menu only uses the trip odometer button to access.

The cluster gauge can read wrong when a sensor is dirty on ether side.

Siphon jet diagnoses requires getting into the hidden menu or a scanner that can read the data directly.

On my e70 I can read fuel level with scanner I don't recall that option with my e53.


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Still no help as my cluster has pixel issues. I have inpa if that's any good but I'm still learning how all that works.
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  #34  
Old 09-17-2023, 09:54 AM
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INPA I believe can read anything OBC will tell you.

If you can drive down to E and fill the tank w ≈24g your siphon jet has not failed yet.
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  #35  
Old 09-17-2023, 09:57 AM
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Originally Posted by andrewwynn View Post
INPA I believe can read anything OBC will tell you.

If you can drive down to E and fill the tank w ≈24g your siphon jet has not failed yet.
Ok, so run it till fuel light comes on then try put a full tank in? 109litres?! I thought they were 81l tanks?
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  #36  
Old 09-17-2023, 10:35 AM
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Fuel light comes on with about 14L left. Run until actually empty on the gauge or DTE if you have enogh pixels to read the

92L I believe is e53 tank. The gauge can only read about 81-82 before the float is stuck at the top of the tank. (why the needle doesn't move for the first 80-100km).
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  #37  
Old 09-17-2023, 10:40 AM
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Originally Posted by andrewwynn View Post
Fuel light comes on with about 14L left. Run until actually empty on the gauge or DTE if you have enogh pixels to read the

92L I believe is e53 tank. The gauge can only read about 81-82 before the float is stuck at the top of the tank. (why the needle doesn't move for the first 80-100km).
okay cool so if the pump clicks out before it's got 80 odd litres in from the empty light then that says it's siphon jet pump issue?
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  #38  
Old 09-17-2023, 02:37 PM
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Usually about 20-27L when the siphon will fail.


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