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5th December 2019, 17:11 | #1 |
I really should get out more.......
MG ZT 180+ auto Join Date: May 2016
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Fuel gauge help - none MGR
So I picked the Toyota Avensis up last Friday from its service, mot and front airbag recall. All seemed well, and I took it and brimmed the tank as I was running low on fuel. The gauge flew up to full as it should, but I have been using the car all week and it hasn't moved even 1mm from slightly over full reading. I think I am in trouble!
Anyone got any ideas? When I kill the ignition it drops, so its not stuck, and the range on the trip comp is dropping as it should, so there is a signal somewhere. I have a horrid feeling it will mean a new pump module as everything always seems to be one piece these days, and that will be an large expense I can't sort due to being laid off from next Friday. Hoping there is something daft I have overlooked I can try....its 57 reg, but only got 43k on it, so not had a hard life. |
5th December 2019, 17:27 | #2 |
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Do you normally brim it?
How far have you gone since filling up? Some cars take a while from brimmed before the needle starts to move. Ignore me if you have done a decent distance! |
5th December 2019, 18:22 | #3 |
I really should get out more.......
MG ZT-T 260 Join Date: Feb 2016
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The float could be stuck, just because the needle drops when you switch the ignition off only means the gauge is not stuck.
Try driving on some very rough roads and once you think the tank is about half full do some heavy braking so the fuel in the tank moves about. The next idea once you have done a couple of hundred miles fill it again and see if that loosens the float. Other than that you are into filling the tank and resetting the trip meter every time or remove the float and free it off. |
5th December 2019, 20:25 | #4 | |
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Quote:
All of my Toyotas (4, but all pre 1988 lol) when filled up would take forever to move, one I recall would be around 120 miles from slightly above the full line until a needle's width below. It was capable of reasonable mpg though. Back then you could fill it until it came up to the neck lol. The needle would move quite quickly after, down to halfway with another 150 miles or so, dropping to the light at about 100-120 or so.
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6th December 2019, 05:59 | #5 |
I really should get out more.......
MG ZT 180+ auto Join Date: May 2016
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I have to be honest it doesnt get filled very often to full, but its never taken this long to move when I have. I guess I should take different garage pumps into account and give it awhile longer. I'll also try the suggesyions in case the float is stuck. If it isnt that am I looking at pump replacement?
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6th December 2019, 06:42 | #6 |
I really should get out more.......
MG ZT-T 260 Join Date: Feb 2016
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The float is often attached to pump but can usually be freed off. I suspect it has snagged on it somehow.
Once removed I suspect it will be obvious what is wrong. Once it is your hand you can move the float and see if the gauge moves but remember there is often a degree of damping built in so it can take up to 30 seconds for the gauge to react. If you do remove it get a new seal because the old one will leak once disturbed. |
6th December 2019, 12:43 | #7 |
I really should get out more.......
MG ZT 180+ auto Join Date: May 2016
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I dont even know where it is! I assume under the rear seat but I don't know how to release that either! I'kl see if runni g the fuel down some more does anything first but I am not hopeful. It still shows over full and I didnt keep letting it click so it can't be after going to work a week.
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6th December 2019, 15:52 | #8 |
I really should get out more.......
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Yes usually under the seat. The last Toyota I had to replace a pump on the unit was bolted in with a dozen or so bolts so was quite easy to do.
Don't buy a genuine new unit as often these are available new by motor factors for a lot less than a genuine Toyota unit. If you have to remove pipes a hair drier to soften the pipes works well. If you have to join pipes use proper fuel pipe clips not jubilee clips. |
6th December 2019, 22:06 | #9 | |
same car since 2005
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Quote:
If you can find an empty car park or similar try a few tight turns , alternately one way then the other .
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Who said it was simples ? |
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7th December 2019, 06:21 | #10 |
I really should get out more.......
MG ZT 180+ auto Join Date: May 2016
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I am going to the coast soon. Lots of hilly, bendy toads to run it down and slosh it about! Fingers crossed!
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