Lexus SC430 owners have reported 2 engine and engine cooling related problems since 1996. Table 1 shows the 2 most common engine and engine cooling problems. The number one most common problem is related to the vehicle's catalytic convertor (1 problem). The second most common problem is related to the vehicle's engine clicking and tapping noises (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Catalytic Convertor problems | |
| Engine Clicking And Tapping Noises problems |
My Sc430 has had a strong sulfur smell from the exhaust system (after medium to heavy acceleration) since it was new. When I first mentioned it to the service department they told me I needed to put a few thousand miles on it and it should go away. Read details...
The car failed to start six times in the first five months. It seems they have found the cause of that problem. However, the car continues to make clunking noise whenever it goes over a bump. Lexus tells me that is normal. I say it sounds like a 1973 Dodge I owned 30 years ago. Read details...