Cruising Range Indication

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Feb 26, 2018 | 12:33 PM

Cecile

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From: Georgia

Cruising Range Indication

What does the cruising range number indicate how many miles to empty on the 2014 GS350

Feb 27, 2018 | 04:24 PM

DArn

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From: OH

Yes, theoretically. I have pushed it a few times, but I don't recommend it. It's harder on the fuel filter and who really wants to walk when you can ride in a Lexus RX 350? ; ) I have been about 20 miles past the cruising range of "0" twice. Filling up revealed just under 2 gallons in the tank if the rated capacity is accurate.

Feb 27, 2018 | 06:59 PM

JDR76

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From: WA

^^^ I’m sorry, but huh?

It has no effect on your fuel filter whatsoever.

Feb 27, 2018 | 07:08 PM

bclexus

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From: Texas

Quote:

Originally Posted by DArn

Yes, theoretically. I have pushed it a few times, but I don't recommend it. It's harder on the fuel filter and who really wants to walk when you can ride in a Lexus RX 350? ; ) I have been about 20 miles past the cruising range of "0" twice. Filling up revealed just under 2 gallons in the tank if the rated capacity is accurate.

Who wants to ride in a Lexus RX 350 when you can ride in a Lexus GS 350?

Feb 27, 2018 | 08:01 PM

GSRockstar

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From: alberta

Quote:

Originally Posted by JDR76

^^^ I’m sorry, but huh?

It has no effect on your fuel filter whatsoever.

it certainly does. All the gunk in your gas tank will get sucked into the filter if you constantly run it low.

Feb 28, 2018 | 08:37 AM

Knucklebus

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From: Kentucky

Quote:

Originally Posted by GSRockstar

it certainly does. All the gunk in your gas tank will get sucked into the filter if you constantly run it low.

The filter in the tank is just a pre-filter, commonly called a sock. It keeps the big bits out. Unless your tank is old or you've left it open to the elements for a long time, there should be very little in a car less than 10 years old.

In an old car, running the tank very low will cause the gunk (rust scale and decades of debris) to adhere to the sock, which will block fuel from passing into the pickup. Filling it back up will release the gunk back into suspension.

The gunk is there whether the tank is full or empty and is always settled in the bottom after sitting.

Feb 28, 2018 | 08:55 AM

drgrant

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From: MA

I've always wondered what the real range was when the low fuel light comes on. I know with my old Camry LE V6 when that light came on you had an easy 40+ miles to get gas... but on the GS I've never tempted fate that much and never gone beyond 25 or so when the light comes on. (and its rare that I even let it get that low to begin with... ) usually im filling up right around the 280-300 miles on a tank range and have a quarter or more left.

-Mike

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Feb 28, 2018 | 09:13 AM

bclexus

Lexus Champion

Joined: Nov 2014

Posts: 13,614

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From: Texas

Quote:

Originally Posted by DArn

Yes, theoretically. I have pushed it a few times, but I don't recommend it. It's harder on the fuel filter and who really wants to walk when you can ride in a Lexus RX 350? ; ) I have been about 20 miles past the cruising range of "0" twice. Filling up revealed just under 2 gallons in the tank if the rated capacity is accurate.

Quote:

Originally Posted by JDR76

^^^ I’m sorry, but huh?

It has no effect on your fuel filter whatsoever.

Quote:

Originally Posted by GSRockstar

it certainly does. All the gunk in your gas tank will get sucked into the filter if you constantly run it low.

This is a myth. Think about it. The fuel pickup is at the bottom of the tank, and so is any gunk/residue/trash/crap.

Feb 28, 2018 | 09:42 AM

#10

er34

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From: Canada

Fuel filter is less of a concern, it's the fuel pump that could burn out because it's cooled by the fuel itself if you keep running the tank dry.

Feb 28, 2018 | 09:44 AM

#11

drgrant

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From: MA

Quote:

Originally Posted by er34

Fuel filter is less of a concern, it's the fuel pump that could burn out because it's cooled by the fuel itself if you keep running the tank dry.

Yeah, but there's a big difference between "running it to a couple gallons left in the tank" vs "running it out". I think everyone agrees running it dry would be bad.

-Mike

Feb 28, 2018 | 10:03 AM

#12

JDR76

Lexus Champion

Joined: Nov 2013

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From: WA

Quote:

Originally Posted by drgrant

You should have between 2 and 3 gallons left when the cruising range gets down to 0.

Feb 28, 2018 | 10:18 AM

#13

Knucklebus

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From: Kentucky

Quote:

Originally Posted by drgrant

Yeah, but there's a big difference between "running it to a couple gallons left in the tank" vs "running it out". I think everyone agrees running it dry would be bad.

-Mike

Yes, running it low shouldn't be an issue as the fuel flowing through it will keep it cool enough. By the time you've reached 1/4 tank, the entire pump is fully exposed on most vehicles. I can't find a good shot of the in-tank unit on a Lexus but it looks pretty standard.

Running it out will allow it to free run and probably overheat if you keep the key on.