How to check the fuel pump on Lexus ES300?

Check the fuel system, make sure the fuel tank has enough fuel. Let someone turn the ignition switch to ON and listen for the fuel pump to switch on and pressurize the systems. If there's no response inspect the fuel pump's electrical circuit for any faults. When checking the fuel pump pressure it is important that you relieve the system pressure, disconnect the fuel filter outlet line, and attach a pressure gauge. While the ignition is on, the fuel pump should run for about two seconds and the pressure should be known. The pressure should remain steady during idle and within pressure limits. Next, inspect the fuses as well as the relays for the electrical circuit. Check the fuel pressure regulator, filter, lines, and Fuel Injector. If the pressure is low, change the regulator and pump. Lastly, check the relays for any continuity and voltage.

How to perform general checks fuel system, including assessing fuel pump operation and conducting a fuel pressure check on Lexus RX350?

To perform general checks on the fuel system, first ensure that there is enough fuel in the Fuel Tank. Then, verify that the fuel pump is running by having an assistant turn the ignition switch to ON and listening for a whirring noise indicating the pump is pressurizing the system. If there is no sound, check the EFI fuse and the circuit opening or EFI relay. If these are fine, check the wiring back to the fuel pump. If voltage is present at the fuel pump connector, the pump is defective, but if there is no voltage, the PCM may be faulty. For a fuel pump pressure check, relieve the fuel system pressure. For four-cylinder models, a fuel pressure gauge and T-fitting are needed to measure the pressure. Disconnect the fuel supply line from the fuel rail and connect the gauge between the line and the rail using the T-fitting. For V6 models, a fuel pressure gauge, hose, and adapter are required. Remove the engine cover and unscrew the banjo bolt securing the crossover line to the front fuel rail. Screw the adapter into the rail and connect the fuel pressure test hose. For 2GR-FKS engines, disconnect the low-pressure side fuel delivery line and connect a special service tool between the connections. With the engine off, turn the ignition switch to ON and note the reading on the gauge. Start the engine and check if the pressure remains the same. If the pressure is not within specifications, check the fuel pressure regulator, fuel line, and fuel filter. If necessary, replace the fuel pressure regulator and pump. Leaking fuel injectors could also cause low pressure. After testing, relieve the pressure, reconnect the fuel line or crossover line, and check for leaks when starting the engine.

Genuine Lexus Fuel Pump

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87 Fuel Pumps found

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Lexus Fuel Pump Assembly
Part Number: 23221-46120
$359.87 MSRP: $498.82
You Save: $138.95 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assy, Fuel; Fuel Pump
Fits the following Lexus Models:
- GS300 | 1998-2001 | 6 Cyl 3.0L, 8 Cyl 4.0L
- GS400 | 1998-2000 | 6 Cyl 3.0L, 8 Cyl 4.0L
- GS430 | 2001 | 6 Cyl 3.0L, 8 Cyl 4.0L
- IS300 | 2001-2005 | 6 Cyl 3.0L
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Lexus Fuel Pump
Part Number: 23221-31130
$234.35 MSRP: $319.51
You Save: $85.16 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump, Fuel
Fits the following Lexus Models:
- GS Turbo | 2017 | 4 Cyl 2.0L, 6 Cyl 3.5L
- GS200t | 2016 | 4 Cyl 2.0L, 6 Cyl 3.5L
- GS300 | 2018-2019 | 4 Cyl 2.0L, 6 Cyl 3.5L
- GS350 | 2015-2020 | 4 Cyl 2.0L, 6 Cyl 3.5L
- GS450h | 2015-2018 | 4 Cyl 2.0L, 6 Cyl 3.5L
- IS Turbo | 2017 | LUX | 4 Cyl 2.0L, 6 Cyl 3.5L
- IS200t | 2016 | LUX | 4 Cyl 2.0L
- IS250 | 2015 | LUX | 4 Cyl 2.0L
- IS300 | 2016-2024 | LUX | 4 Cyl 2.0L, 6 Cyl 3.5L, 8 Cyl 5.0L
- IS350 | 2015-2024 | LUX | 4 Cyl 2.0L, 6 Cyl 3.5L, 8 Cyl 5.0L
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Lexus Fuel Pump Assembly
Part Number: 23100-39645
$1111.55 MSRP: $1540.75
You Save: $429.20 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assy, Fuel; Fuel Pump
- Replaced by: 23100-39646
- Replaces: 23100-39615, 23100-39617, 23100-39618, 23100-39625
Fits the following Lexus Models:
- GS200t | 2016 | 6 Cyl 2.5L, 6 Cyl 3.5L
- GS350 | 2013-2016, 2011 | 6 Cyl 2.5L, 6 Cyl 3.5L
- GS450h | 2013-2016, 2011 | 6 Cyl 2.5L, 6 Cyl 3.5L
- GS460 | 2011 | 6 Cyl 3.5L
- IS Turbo | 2017 | LUX | 6 Cyl 3.5L
- IS200t | 2016 | LUX | 6 Cyl 2.5L, 6 Cyl 3.5L
- IS250 | 2011-2015 | 250C, 350C, LUX | 6 Cyl 2.5L, 6 Cyl 3.5L
- IS300 | 2016-2018 | LUX | 6 Cyl 2.5L, 6 Cyl 3.5L
- IS350 | 2011-2018 | 250C, 350C, LUX | 6 Cyl 2.5L, 6 Cyl 3.5L
- RC Turbo | 2017 | 6 Cyl 3.5L
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Lexus Fuel Pump Assembly W/Filter
Part Number: 23220-38041
$373.55 MSRP: $517.79
You Save: $144.24 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assy, Fuel W/Filter; Fuel Pump
- Replaces: 23220-38040
Fits the following Lexus Models:
- GS Turbo | 2017 | 6 Cyl 3.5L
- GS200t | 2016 | 6 Cyl 3.5L
- GS300 | 2018-2019 | 6 Cyl 3.5L
- GS350 | 2013-2019, 2007-2011 | 6 Cyl 3.5L, 8 Cyl 4.6L
- GS430 | 2007 | 8 Cyl 4.6L
- GS450h | 2013-2018 | 6 Cyl 3.5L
- GS460 | 2008-2011 | 8 Cyl 4.6L
- IS F | 2008-2014 | 8 Cyl 5.0L
- IS Turbo | 2017 | LUX | 6 Cyl 3.5L
- IS200t | 2016 | LUX | 6 Cyl 3.5L
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Lexus Electric Fuel Pump
Part Number: 23220-50130
$441.51 MSRP: $601.95
You Save: $160.44 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Filter, Fuel Pump
Fits the following Lexus Models:
- GX470 | 2004-2009 | 8 Cyl 4.7L
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Lexus Fuel Pump
Part Number: 23221-36030
$127.93 MSRP: $174.41
You Save: $46.48 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump, Fuel
Fits the following Lexus Models:
- NX200t | 2015-2017 | 4 Cyl 2.0L
- NX300 | 2018-2021 | 4 Cyl 2.0L
- NX300h | 2015-2021 | 4 Cyl 2.0L
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Lexus Fuel Pump
Part Number: 23221-31340
$319.38 MSRP: $435.45
You Save: $116.07 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump, Fuel
- Replaced by: 23220-31340
Fits the following Lexus Models:
- GS350 | 2009-2011 | 6 Cyl 3.5L
- GS450h | 2009-2011 | 6 Cyl 3.5L
- GS460 | 2009-2011 | 6 Cyl 3.5L
- IS250 | 2009-2015 | 250C, 350C | 6 Cyl 2.5L, 6 Cyl 3.5L
- IS350 | 2009-2015 | 250C, 350C | 6 Cyl 2.5L, 6 Cyl 3.5L
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Lexus Fuel Pump Assembly
Part Number: 23221-74110
$399.17 MSRP: $544.23
You Save: $145.06 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assy, Fuel
- Replaced by: 23221-66040
Fits the following Lexus Models:
- LX470 | 1998-2006 | 8 Cyl 4.7L
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Lexus Fuel Pump
Part Number: 23220-31370
$333.23 MSRP: $461.90
You Save: $128.67 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump, Fuel
Fits the following Lexus Models:
- ES300h | 2013-2018 | 6 Cyl 3.5L
- ES350 | 2013-2015 | 6 Cyl 3.5L
- RX350 | 2010-2015 | STD | 6 Cyl 3.5L
- RX450h | 2010-2015 | STD | 6 Cyl 3.5L
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Lexus Fuel Pump
Part Number: 23221-0A040
$335.75 MSRP: $465.39
You Save: $129.64 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump, Fuel
- Replaces: 23221-07010
Fits the following Lexus Models:
- ES300 | 1998-2003 | 6 Cyl 3.0L, 6 Cyl 3.3L
- ES330 | 2004-2006 | 6 Cyl 3.0L, 6 Cyl 3.3L
- ES350 | 2007-2012 | 6 Cyl 3.5L
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Lexus Fuel Pump Sub-Assembly
Part Number: 23101-0P010
$1082.99 MSRP: $1501.16
You Save: $418.17 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Sub-Assy, Fuel; Fuel Pump
- Manufacturer Note: (L)
- Replaces: 23101-31080
Fits the following Lexus Models:
- ES250 | 2021-2024 | 6 Cyl 3.5L
- ES300h | 2019-2024 | 6 Cyl 3.5L
- ES350 | 2019-2024 | 6 Cyl 3.5L
- RX350 | 2016-2022 | STD | 6 Cyl 3.5L
- RX350L | 2018-2022 | 6 Cyl 3.5L
- RX450h | 2016-2022 | STD | 6 Cyl 3.5L
- RX450hL | 2018-2022 | 6 Cyl 3.5L
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Lexus Fuel Pump Assembly
Part Number: 23221-50110
$351.59 MSRP: $479.36
You Save: $127.77 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pump Assy, Fuel
- Replaced by: 23221-31150
Fits the following Lexus Models:
- LS430 | 2003-2006 | 8 Cyl 4.3L
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Lexus Fuel Pump Assembly
Part Number: 23221-50020
$462.35 MSRP: $640.87
You Save: $178.52 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Assembly,Fuel; Fuel Pump
- Manufacturer Note: NIPPONDENSO
Fits the following Lexus Models:
- LS400 | 1990-2000 | 8 Cyl 4.0L
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Lexus Fuel Pump
Part Number: 23221-31090
$319.38 MSRP: $435.45
You Save: $116.07 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump, Fuel
- Replaced by: 23220-31340
Fits the following Lexus Models:
- GS300 | 2006 | 6 Cyl 3.0L, 6 Cyl 3.5L
- GS350 | 2007-2010 | 6 Cyl 3.0L, 6 Cyl 3.5L
- GS430 | 2006-2007 | 6 Cyl 3.0L, 6 Cyl 3.5L
- GS450h | 2007-2010 | 6 Cyl 3.5L
- GS460 | 2008-2010 | 6 Cyl 3.5L
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Lexus Gas Fuel Tank Pump
Part Number: 23101-36080
$1147.91 MSRP: $1591.15
You Save: $443.24 (28%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pump Sub-Assy, Fuel; Fuel Pump
- Replaced by: 23101-36090
Fits the following Lexus Models:
- GS Turbo | 2017 | 4 Cyl 2.0L
- GS200t | 2016 | 4 Cyl 2.0L
- GS300 | 2018-2019 | 4 Cyl 2.0L
- GS350 | 2015-2020 | 4 Cyl 2.0L
- GS450h | 2015-2018 | 4 Cyl 2.0L
- IS Turbo | 2017 | LUX | 4 Cyl 2.0L
- IS200t | 2016 | LUX | 4 Cyl 2.0L
- IS250 | 2015 | LUX | 4 Cyl 2.0L
- IS300 | 2016-2024 | LUX | 4 Cyl 2.0L
- IS350 | 2015-2024 | LUX | 4 Cyl 2.0L
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Lexus Fuel Pump Assembly W/Filter
Part Number: 23220-38030
$354.83 MSRP: $491.84
You Save: $137.01 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assy, Fuel W/Filter; Fuel Pump
- Replaces: 23220-38021, 23220-38020
Fits the following Lexus Models:
- GS200t | 2016 | 6 Cyl 2.5L
- GS350 | 2013-2016 | 6 Cyl 2.5L
- GS450h | 2013-2016 | 6 Cyl 2.5L
- LS460 | 2007-2017 | 8 Cyl 4.6L
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Lexus Fuel Pump Assembly
Part Number: 23100-39617
$1111.55 MSRP: $1540.75
You Save: $429.20 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assy, Fuel
- Replaced by: 23100-39646
Fits the following Lexus Models:
- GS300 | 2006 | 6 Cyl 3.0L, 6 Cyl 3.5L
- GS350 | 2007-2010 | 6 Cyl 3.0L, 6 Cyl 3.5L
- GS430 | 2006-2007 | 6 Cyl 3.0L, 6 Cyl 3.5L
- GS450h | 2007-2010 | 6 Cyl 3.5L
- GS460 | 2008-2010 | 6 Cyl 3.5L
- IS250 | 2006-2010 | 250C, 350C | 6 Cyl 2.5L, 6 Cyl 3.5L
- IS350 | 2006-2010 | 250C, 350C | 6 Cyl 2.5L, 6 Cyl 3.5L
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Lexus Fuel Pump Sub-Assembly
Part Number: 23101-31090
$956.99 MSRP: $1326.51
You Save: $369.52 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Sub-Assy, Fuel
- Replaced by: 23101-0P020
Fits the following Lexus Models:
- GS Turbo | 2017 | 6 Cyl 3.5L
- GS200t | 2016 | 6 Cyl 3.5L
- GS300 | 2018-2019 | 6 Cyl 3.5L
- GS350 | 2015-2020 | 6 Cyl 3.5L
- GS450h | 2015-2018 | 6 Cyl 3.5L
- IS Turbo | 2017 | LUX | 6 Cyl 3.5L
- IS300 | 2017-2024 | LUX | 6 Cyl 3.5L
- IS350 | 2017-2024 | LUX | 6 Cyl 3.5L
- IS500 | 2022-2024 | LUX | 6 Cyl 3.5L
- RC Turbo | 2017 | 6 Cyl 3.5L
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Lexus Fuel Pump Assembly W/Filter
Part Number: 23220-31480
$342.71 MSRP: $475.04
You Save: $132.33 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pump Assy, Fuel W/Filter; Fuel Pump
Fits the following Lexus Models:
- IS200t | 2016 | LUX | 6 Cyl 2.5L
- IS250 | 2014-2015 | LUX | 6 Cyl 2.5L
- IS300 | 2016 | LUX | 6 Cyl 2.5L
- IS350 | 2014-2016 | LUX | 6 Cyl 2.5L
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Lexus Fuel Pump Assembly W/Filter
Part Number: 23220-38090
$323.27 MSRP: $448.09
You Save: $124.82 (28%)
Product Specifications
- Other Name: Pump Assy, Fuel W/Filter; Fuel Pump
Fits the following Lexus Models:
- GS F | 2016-2020 | 8 Cyl 5.0L
- IS300 | 2021-2023 | LUX | 8 Cyl 5.0L
- IS350 | 2021-2023 | LUX | 8 Cyl 5.0L
- IS500 | 2022-2023 | LUX | 8 Cyl 5.0L
- RC F | 2015-2023 | 8 Cyl 5.0L
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About Lexus Fuel Pump

The fuel pump is an essential component for any car, motorcycle, or anything with an internal combustion engine, as it allows sends fuel from the fuel tank to the engine. An improperly or non-functioning Lexus fuel pump is usually the cause of problems like engine stalling, start-up failure, or sluggish acceleration.

Lexus Fuel Pump Parts Questions & Experts Answers

Fuel Pump Assembly
23221-15040
Q: How to check the fuel pump on Lexus ES300?
A:
Check the fuel system, make sure the fuel tank has enough fuel. Let someone turn the ignition switch to ON and listen for the fuel pump to switch on and pressurize the systems. If there's no response inspect the fuel pump's electrical circuit for any faults. When checking the fuel pump pressure it is important that you relieve the system pressure, disconnect the fuel filter outlet line, and attach a pressure gauge. While the ignition is on, the fuel pump should run for about two seconds and the pressure should be known. The pressure should remain steady during idle and within pressure limits. Next, inspect the fuses as well as the relays for the electrical circuit. Check the fuel pressure regulator, filter, lines, and Fuel Injector. If the pressure is low, change the regulator and pump. Lastly, check the relays for any continuity and voltage.
Fuel Pump
23221-31130
Q: How to perform general checks fuel system, including assessing fuel pump operation and conducting a fuel pressure check on Lexus RX350?
A:
To perform general checks on the fuel system, first ensure that there is enough fuel in the Fuel Tank. Then, verify that the fuel pump is running by having an assistant turn the ignition switch to ON and listening for a whirring noise indicating the pump is pressurizing the system. If there is no sound, check the EFI fuse and the circuit opening or EFI relay. If these are fine, check the wiring back to the fuel pump. If voltage is present at the fuel pump connector, the pump is defective, but if there is no voltage, the PCM may be faulty. For a fuel pump pressure check, relieve the fuel system pressure. For four-cylinder models, a fuel pressure gauge and T-fitting are needed to measure the pressure. Disconnect the fuel supply line from the fuel rail and connect the gauge between the line and the rail using the T-fitting. For V6 models, a fuel pressure gauge, hose, and adapter are required. Remove the engine cover and unscrew the banjo bolt securing the crossover line to the front fuel rail. Screw the adapter into the rail and connect the fuel pressure test hose. For 2GR-FKS engines, disconnect the low-pressure side fuel delivery line and connect a special service tool between the connections. With the engine off, turn the ignition switch to ON and note the reading on the gauge. Start the engine and check if the pressure remains the same. If the pressure is not within specifications, check the fuel pressure regulator, fuel line, and fuel filter. If necessary, replace the fuel pressure regulator and pump. Leaking fuel injectors could also cause low pressure. After testing, relieve the pressure, reconnect the fuel line or crossover line, and check for leaks when starting the engine.

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