2006 Lexus GS300 Engine Problems
- Complaints
- 18about this part
- Share
- 15%of 124 total for the year
- Median mileage
- 122,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 18 complaints about the engine of the 2006 Lexus GS300, 15% of the 124 complaints for this model year. Where a mileage was given, the median is 122,000 miles. 1 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I received a recall a few years ago pertaining to the engine leaking oil. The car leaks 4 quarts of full synthetic oil monthly. How do I go about getting my vehicle fixed? I would like to take it to Lexus mcgrath in chicago to have them repair my engine. Thank you.”
NHTSA complaint #11076053, filed 2018-03, 150,000 miles“When I go to apply the brakes or of I'm coasting slow, the car jerks twice(once while the car is slowing down, and a harder jerk right before the car stops) every Lexus forum I visited where people had 2006 Lexus GS300 awd's(with the same exact symptoms), they were mis-diagnosed being told it was their transmission, when in actuality it was their ecu that needed to be replaced. That is a computer failure, so I don't understand why there aren't recalls on this.”
NHTSA complaint #10908780, filed 2016-09, 112,000 miles“I purchased my vehicle (used) in 2014. I have experienced a rebuilt transmission ($4200), new alternator and now I'm currently experience oil consumption. My car is burning oil at-at-a rapid pace. I have replaced my oil two times in two months. My mechanic has informed me that it's the engine (manufacturer issue) and it is due to carbon build up due to a standard for this make, model and year. It's burning alot of oil that is causing the build up in the engine. It was advised that I should replace the engine (who can afford that) or have it rebuilt. …”
NHTSA complaint #11184607, filed 2019-03, 45 miles“Excessive oil consumption. Vehicle burns 3 1/2 qts of oil or more every 1500 miles. Causing my plugs to foul out and check engine code (0300) multiple cylinder misfire causing car to have sluggish acceleration. I took car in to charles barker Lexus and was charged a diag fee and then told the car is burning oil internally and would be $4100 plus parts for further diag. Lexus offered a customer support program for stated issues for 9 years w/ no mileage limitations of which I was never informed of and was within time frame to qualify. …”
NHTSA complaint #10875744, filed 2016-06, 163,631 miles“Faulty ecu computer resulting in hard jerk when shifting between first and second gear. The engine repair unit goes bad after 100,000 miles. Multiple vehicles reported the issue after experiencing fuel induction problems and oil loss related to bad .gaskets. Car started jerking on the highway cause a rear end bumper collision while intraffic.”
NHTSA complaint #10954634, filed 2017-02, 138,000 milesRelated service bulletins
- 10179601Aug 5, 2020TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a…
- 10093692Dec 8, 2015"tt: some is250 and gs300 vehicles may exhibit one or more of the following conditions: mil on dtc p0300, p0301, p0302, p0303, p0304, p0305, and/or p0306. intermittently…
- 10057005Sep 18, 2014Lexus is250-gs300: vehicles may experience engine running rough when coming to a stop along with engine misfires after cold startup.
- 10057004Sep 18, 2014Lexus: is250-gs300: engine runs rough when coming to a stop, after cold soak start up engine misfires.
- 10205364Sep 9, 2013Engine Misfire Duplication Procedure - MIL on DTC p030 and /or Intermittently Runs Rough
- 10132188Sep 9, 2013Some IS250 and GS300 vehicles may exhibit one or more of the following conditions: MIL ?ON? DTC P0300, P0301, P0302, P0303, P0304, P0305, and/or P0306 Intermittently runs rough…
- 10067821Sep 9, 2013Summary to be provided on a future date.
- 10061733Jul 18, 2013Summary to be provided on a future date.
Engine: other model years
Other parts of the 2006 Lexus GS300
35 complaintsTransmission and drivetrain
13 complaintsElectrical system
12 complaintsVehicle speed control
12 complaintsBrakes
11 complaintsSteering
10 complaintsFuel system
9 complaintsOther or unknown
7 complaintsBody and structure
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsTires
5 complaintsElectronic stability control
4 complaints
← All problems reported for the 2006 Lexus GS300
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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