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1999 Lexus RX300

Owner reports · Recalls · Investigations

More warning signs than most RX300 years

Owner complaints for the 1999 Lexus RX300 are substantially higher than the model-year median of 88.

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When problems were reported

Mileage at the reported incident

149 reports with mileage · 72 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Power Train. Review the 129 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 24 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

18 crash reports10 fire reports11 injury reports

Fuel System, Gasoline complaints

2 reports
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88,000 miles · Apr 6, 2003
Engine And Engine CoolingFuel System, GasolinePower Train

I OWN 1999 LEXUS RX300, SINCE FEBRUARY OF THE LAST YEAR, I HAD NUMEROUS PROBLEMS WITH THE CAR'S ENGINE (IT HAS SLUDGE), TRANSMISSION, EMISSION SYSTEM, AND OVER USE OF GAS PER MILE. FIRST PROBLEM STARTED DURING THE FIRST MONTH OF MY OWNERSHIP AND SINCE THAT TIME THE VEHICLE HAS SPENT WEEKS IN AUTO REPAIR SHOPS. LEXUS DEALER AND …

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I OWN 1999 LEXUS RX300, SINCE FEBRUARY OF THE LAST YEAR, I HAD NUMEROUS PROBLEMS WITH THE CAR'S ENGINE (IT HAS SLUDGE), TRANSMISSION, EMISSION SYSTEM, AND OVER USE OF GAS PER MILE. FIRST PROBLEM STARTED DURING THE FIRST MONTH OF MY OWNERSHIP AND SINCE THAT TIME THE VEHICLE HAS SPENT WEEKS IN AUTO REPAIR SHOPS. LEXUS DEALER AND OTHERS CHARGED ME LAVISH FEES BUT NEVER FIXED THE PROBLEMS AND LEXUS DEALERS EVEN NEVER ADMITTED THAT SERIOUS PROBLEMS EXISTED. *JB

NHTSA ODI #10014038

Mileage unknown · Aug 25, 2000
Engine And Engine CoolingFuel System, Gasoline

ENGINE STALLS AT IDLE, DEALER CLAIMS FROM HIGH OIL VISCOSITY DESPITE OIL BEING CHANGED EVERY 5000 MILES. DEALER SAYS THAT BECAUSE OF THE WAY THE ENGINE IS MOUNTED THAT IT RUNS HOT AND THAT ONLY CERTAIN OILS ARE RECCOMENDED. SAYS THAT QUAKER STATE OIL, WHICH WE USED, SHOULD BE CHANGED EVERY 3000 MILES SINCE IT IS NOT "AS GOOD" AS…

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ENGINE STALLS AT IDLE, DEALER CLAIMS FROM HIGH OIL VISCOSITY DESPITE OIL BEING CHANGED EVERY 5000 MILES. DEALER SAYS THAT BECAUSE OF THE WAY THE ENGINE IS MOUNTED THAT IT RUNS HOT AND THAT ONLY CERTAIN OILS ARE RECCOMENDED. SAYS THAT QUAKER STATE OIL, WHICH WE USED, SHOULD BE CHANGED EVERY 3000 MILES SINCE IT IS NOT "AS GOOD" AS THE OIL THEY USE AT THE DEALER. THIS IS NOT SUGGESTED IN THE OWNERS MANUAL AND I WOULD SUSPECT POOR ENGINE DESIGN THAT ALLOWS DEVELOPMENT OF EXCESSIVE HEAT. SECONDLY, THE GAS TANK SENSOR FAILED- GAS GAUGE RAN HALF WHEN THE TANK WAS EMPTY. DEALER SAYS HE HAS SEEN THIS "SEVERAL" TIMES. SUSPECT PROBLEM WITH THIS COMPONENT.

NHTSA ODI #729048

Official recalls

2

99V011000 · Exterior Lighting:headlights:switch

Jan 20, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE HEADLIGHTS AND TAILLIGHTS MAY NOT AUTOMATICALLY ILLUMINATE IN LOW AMBIENT LIGHT WHEN THE HEADLIGHT SWITCH IS PLACED IN THE "AUTO" POSITION.

Consequence & remedy

Consequence: VEHICLES FOLLOWING BEHIND MAY NOT SEE THE VEHICLE SINCE NO HEADLIGHTS AND TAILLIGHTS WOULD BE ILLUMINATED, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSTALL A MODIFIED BODY ELECTRONIC CONTROL UNIT.

99V012000 · Service Brakes, Hydraulic:foundation Components:differential Proportional Valve

Jan 20, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH THE OPTIONAL TRACTION CONTROL SYSTEM. DUE TO IMPROPER DESIGN OF THE REAR BRAKE TUBE DISTRIBUTION, IF ONE OF THE DUAL BRAKE LINES FAILS WHEN THE DRIVER APPLIES THE BRAKE, THE VEHICLE WILL FEEL UNSTABLE COMPARED TO VEHICLES WITH PROPER REAR BRAKE TUBE DISTRIBUTION.

Consequence & remedy

Consequence: THIS CONDITION CAN INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL INSTALL MODIFIED BRAKE TUBES.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP02004 · Engine Seizure

Opened Apr 30, 2002 · Closed Jun 20, 2002

Status: closed (inferred from source dates) · Engine And Engine Cooling

No summary supplied.