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Fuel systemPart report

2018 Lexus RX Fuel system Problems

Complaints
3about this part
Share
12%of 26 total for the year
Median mileage
42,548miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2018 Lexus RX, 12% of the 26 complaints for this model year. Where a mileage was given, the median is 42,548 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Two days ago, upon entering our vehicle, there was a smell of gasoline as we drove. Our fuel guage wend from 1/4 tank to EMPTY in minutes. I pulled into a gas station and when attached the nozzle, gas entering the tank was POURING out from underneath. I drove the car to the venue we were headed to and parked on a dirt/gravel spot so as to limit fuel runoff to nearby vehicles. We had the vehicle towed to Bob Tyler Toyota, the nearest Lexus type service center. I called service at Lexus of Mobile and the employer stated that there are no recalls. …”

NHTSA complaint #11577885, filed 2024-03

“The contact owns a 2018 Lexus RX350. The contact stated at start-up there was raw a fuel odor entering the cabin of the vehicle. There was no warning light illuminated. The failure occurred on several occasions. The vehicle was taken to the dealer however, the failure could not be duplicated. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 42,548.”

NHTSA complaint #11568839, filed 2024-01, 42,548 miles

“The fuel pump sensor electrically shorted. The assembly failed. (tube assembly, fuel suction w/ pump and gage), gasket, fuel suction tube set. It is available for inspection. The car could stall at any time because the fuel pump sensor cannot accurately determine the fuel level or how much fuel is being injected into the engine. There was a warning light. Lexus covered two other fuel pump safety issues for this make and model (2018 RX 450h), one under a manufacturer recall and one through a customer support program. …”

NHTSA complaint #11661605, filed 2025-05

Fuel system: other model years

YearComplaintsShare of year
2026217%
202515%
202423%
202335%
2022517%
202024%
20191132%
2018312%
201736%
201614%
201515%
2014217%
201127%
201068%
200913%
200811%
200759%
2006619%
200527%
200425%
200218%

Other parts of the 2018 Lexus RX

Brakes
6 complaints
Other or unknown
6 complaints
Engine
4 complaints
Electrical system
3 complaints
Body and structure
3 complaints
Forward collision avoidance
2 complaints
Vehicle speed control
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Air bags
1 complaints
Back-over prevention (rear camera)
1 complaints
Steering
1 complaints
Suspension
1 complaints

← All problems reported for the 2018 Lexus RX

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology