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hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
181,763 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 Lexus IS 350 engine problems

engine problem

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2006 Lexus IS 350 Owner Comments

problem #10

May 162016

IS 350

  • 1,000,089 miles


Hi ! so I have 2006 IS250 with carbon buildup, I was driving find I stop at a stop light car turn off out of nowhere I turn off power then try to restart.I had a hard time trying to start the have to push gas pandel..I told to my car to glendale Lexus, they told me that I have carbon buildup so somehow I end up paying 800 for major tune

- Glendale, CA, USA

problem #9

Aug 052015

IS 350

  • 135,000 miles
The contact owns a 2006 Lexus Is. While driving 50 mph, the vehicle lost engine power and stalled. The vehicle was taken to an independent mechanic for diagnostic testing. The contact was informed that the bolt used to secure the housing and sprocket of the variable valve timing system failed. The vehicle was included in NHTSA campaign number: 13V395000 (engine). The contact stated that the vehicle was towed to the dealer for the recall repair. The contact was informed that the dealer would repair the vehicle according to the recall; however, any damage caused to the engine from the failure would not be covered under the recall. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 135,000.

- Halton City, TX, USA

problem #8

Jul 272015

IS 350

  • 77,000 miles
The contact owns a 2006 Lexus Is 350. The contact stated that while driving at 40 mph, the vehicle stalled and the contact heard an abnormal noise coming from the engine compartment of the vehicle. All the warning lights on the instrument cluster illuminated. The vehicle was towed to an independent mechanic who diagnosed that variable timing gear, the timing chain, and the timing cover needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 77,000. The VIN was unavailable.

- North Hills, CA, USA

problem #7

Apr 092015

IS 350

  • 98,000 miles


The contact owns a 2006 Lexus Is 350. The contact noticed oil leaking from the undercarriage of the vehicle. The vehicle was taken to a dealer who diagnosed that the front time chain seal needed to be replaced. The vehicle was not repaired. The VIN was not available. The manufacturer was notified of the failure. The approximate failure mileage was 98,000.

- Ocala , FL, USA

problem #6

Dec 012013

IS 350

  • 85,000 miles
Extremely disappointed by a couple of issues Lexus refuses to fix. I bought this car with 84K on the odometer and less than a year after that all these problems arise. The steering Is safety issue that needs to be replaced asap. Driving anything over 50 mph the steering starts to become notchy at the center and at times difficult to keep in a straight line. The steering wheel whines as I turn almost as if something Is about to break. Lexus quoted me $3000 to replace the electric power steering which Is absolutely ridiculous. I would love to replace it but $3000 dollars on a part that shouldn't have broken anytime soon Is very disappointing. Then to make matters worse there Is a known engine leak. The timing chain cover leaks oil and the dealer quoted me $5000 dollars to fix it. That Is $8000 dollars worth of repairs for two problems that Lexus needs to recognize. This doesn't include the other very common problems such as the navigation screen melting in the summer time so that it Is inoperable. Now the dashboard becomes sticky and shiny making it hard to see in the daytime and it chips so easily. Im extremely disappointed due to the fact that Lexus usually makes solid vehicles. Many other owners are facing the same issues and they need to be recognized.

- Gaithersburg , MD, USA

problem #5

Aug 092014

IS 350

  • 129,000 miles
My vehicle stalled at a red light and would not restart. After being towed to the dealer, they came back with a diagnosis of massive carbon build up. They advised that I reach out to Lexus corporate to determine if there was any support I could receive. After several weeks of going back and forth, Lexus corporate refused to provide any assistance because the car could not produce any of the necessary trouble codes to qualify for their customer support program surrounding this issue. After much hesitation, I agreed to pay $700 to have the top cleaning done. After top cleaning was complete, the dealer calls to report that the car still wouldn't start and they didn't know what was causing the issue. Now they have an "expert mechanic" from Lexus corporate coming out to inspect the vehicle and determine the problem. This took another 1 1/2 to 2 weeks to complete. I received a phone call from Lexus Corp, that the issue was now a timing chain that was going to be $1200 to replace. When I spoke with the dealer, they agreed to credit back my $700 from the misdiagnosis but quoted that the timing chain would be $1700, not $1200. After several days of haggling, I finally agreed to pay $1350, only to get another call from the dealer now saying that metal shavings have fallen down into the engine block and the entire engine would need to be replaced. Although I have all of my service records, Lexus Is trying to pin the blame on me, stating "lack of oil changes". my vehicle's year, model and date of service are all qualified to be covered under this warranty. This car has proven to experience these problems associated with this recall and because the engine Is in such bad shape and Is unable to produce any codes, they are refusing to honor this warranty. This has now been going on for nearly 3 months and I still have no car and no resolution in site.

- Cincinnati, OH, USA

problem #4

May 192014

IS 350 6-cyl

  • 94,014 miles


The camshaft timing gear was replaced by jim fault Lexus was driving vehicle home and all the dash lit up and engine had no oil. Car hasn't run the same since then without oil needing to be replace 3.5 liters of oil every 300-500 miles so I'm really afraid to go anywhere in my vehicle. Need help! the consumer stated she started having problems with the engine after retrieving the vehicle from the dealer. There was a noise coming from the engine when it was cold and the check engine light illuminated several times, as well as the low oil light. The dealer informed the consumer, the piston rings were worn, but there were no oil leaks. Updated 12/03/14

- Los Angeles, CA, USA

problem #3

Jul 162014

IS 350

  • 84,372 miles
The contact owns a 2006 Lexus Is 350. While driving approximately 20 mph, the vehicle decelerated on its own and the check engine and vsc indicators illuminated. The contact heard a loud noise coming from the engine compartment. The dealer stated that engine work needed to be performed. The contact stated that a recall notice for NHTSA campaign number: 13V395000 (engine) was never received. The VIN was included in the recall. The manufacturer was notified of the failure. The approximate failure mileage was 84,372.

- Brooklyn, NY, USA

problem #2

Oct 012012

IS 350 6-cyl

  • 48,000 miles
The car like many push button start cars requires that you step on the brake pedal when starting, but the car will not start sometimes and/or requires a lot of force on the brake pedal to start the car which is apparently due to the brake booster going bad. This has been happening intermittently over the course of the year or about 9000 miles. I took the car to the Lexus dealer and told them what I thought was wrong because if you google "Lexus IS350 brake pedal hard" or "Lexus not starting" you will see that many people have this same exact problem with their Lexus, and not just with this Lexus model. The dealer confirmed the brake booster is the problem and that the cost to replace it would be approximately $1,100. After contacting Lexus customer support and pointing out that a lot of Lexus owners seem to have the same problem, they said it is not under recall, and that I must pay for the cost of the repair. I can see situations where a car not starting could be considered a safety issue, but more upsetting is that there is clearly a defect that many Lexus owners are experiencing, Lexus probably knows it, but will not correct it or recall it.

- Weston, FL, USA

problem #1

Apr 012013

IS 350 6-cyl

  • 67,151 miles
Vehicle randomly shakes, intermittently runs rough while braking. Dealer could not diagnose issue 3 times until recent check found engine pistons and valve springs need to be replaced. Lexus agreed to accommodate service and labor costs but parts are back ordered requiring a week or two wait time for repair.

- Alexandria, VA, USA

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