Question about Lexus RX 400h

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LEXUS RX 400h, When filling at newer stations, i.e. COSTCO, SAFEWAY, ETC. Even when empty, the tanks acts as if were full, and causes the pump to shut off. Problem does not happen at older stations. I have talked to several owners of this model 2006 to 2008, and they all have this problem

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ROBERT GARCIA

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  • Lexus Master
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Maybe fuel quality , try to fill in other stations

Posted on Aug 20, 2010

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How to adjust gas gauge to read right not reading way over filled like it does now. When 1997 chev 350 vortec truck gauge is at 1 st red mark close to empty, better not past gas station ! ! !


the fuel level sender is inside the fuel tank, part of the fuel pump assembly. did you or was the tank replaced before??they may have bent the float arm on reassembly . you can buy the sender from your parts supply store .you will have to drop the tank to do this it clips onto the side of the pump assembly. run it almost dry first as the tank is big n very heavy even 1/4 full. you can try to bend the old arm

but its very hard on the "sender" as for level indicator full to empty, think of the shape of the tank narrow at top to widest point in the middle (full to half) wide middle to narrow bottom( half to empty)

its just an overall volume thing

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These vehicles are equipped with a floating ball in the filler pipe. When tank is full, the ball floats to block the filler pipe, causing a vapor lock which shuts off the gas pump at the gas station. Try using an old car antenna to knock it free to see if it fixes it. If not the filler pipe will need to be removed and serviced.

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Hello Steve Smith,

Assuming your LUG NUTS are torqued properly...

The issue COULD have been caused when your
tires & wheels were remounted... BUT you should
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Else...
One or more of your Wheel sensors has been
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In any case the PURCHASE PRICE of these
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I'd suggest you SCAMPER quickly back
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Get your codes (DTC) read to see if your car
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In my opinion

Carnac the Magnificent

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