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fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
10,500 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 250 engine problems

engine problem

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2006 Lexus IS 250 Owner Comments

problem #2

Jul 182008

IS 250

  • 20,000 miles


I was operating my 2006 Lexus IS250 AWD at very low speed in a parking lot when the engine began to surge. I could not bring the car to a stop using the brake pedal and could barely keep it from creeping forward. I shifted into neutral and the engine really began to roar, revving very high, but I was then able to stop the car and turn it off using the stop/start button. When I restarted the car it operated normally and the problem did not re-occur. The floor mat had nothing to do with the problem, as it was a factory mat held in place by the little hooks, and was not the all weather mat. The mat was in place after the incident. I reported the occurrence to my dealer, warnock Lexus, in livingston, N.J. they checked the car out and found nothing wrong and no evidence of anything wrong in the computer's memory. The problem did not recur and the car was returned to Lexus at the end of the lease. I now have a 2009 IS250 AWD and am concerned about the reports of this problem. I don't feel the floor mat had anything to do with it. The date below is approximate, but Lexus should have a record of the incident from the dealer service department.

- Livingston, NJ, USA

problem #1

Dec 182005

IS 250 6-cyl

  • Automatic transmission
  • 1,000 miles
I purchased a 2006 is 250 in October, 2005. The vehicle has been driven for 2,500 miles. After the engine warms up, smoke and a burned smell come from the engine compartment. The first time I brought the problem to the dealers attention I was told that everything was normal. I brought the vehicle in a second time and it was discovered that oil was leaking from the passenger's side valve cover onto the hot exhaust manifold causing the oil to smoke and burn. The vehicle is now at the dealers service department and I am being told that they do not know how to fix the problem and that they have no parts to use for replacement since the design is so new. The problem is related to the high oil pressure maintained by the engine according to the dealer. The engine is covered with plastic panels and I have advised the dealer that continual leakage of oil onto the hot exhaust manifold with a plastic cover on top of the engine could result in an engine fire. Smoke is visible from the engine compartment when the engine is running.

- Miami, FL, USA

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