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Engine & cooling

Lexus SC400 Engine problems by year

5 complaints filed with NHTSA about the Lexus SC400's engine & cooling. Stalling, loss of power, oil consumption, overheating, head gaskets, timing chains and engine failure.

Engine complaints by model year

YearEngine complaintsCrashesInjuriesRecalls
20001000
19981000
19941000
19931100
19921100

Latest SC400 engine complaints

1993 Lexus SC400Engine & coolingTransmission & drivetrainCrash

I was involved in a motor vehicle accident on 4/25/10 with a 1993 lexus sc400 vin# [[redacted]] . I was approaching a red light controlled intersection with my foot on the brake pedal and the vehicle continued to accelerate through the intersection. I feel that the computer chip controlling either the transmission or idling speed failed as the vehicle could not come to a halt and resulted in a collision. The transmission failed to drop down to neutral and/or the idle could not drop down to less than 1000 rpm. I...

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realize it is an older vehicle and computer chips could fail due to age but I wonder if this could be a design flaw of the fail safe accelerator assembly. Could you let me know if any other complaints have been lodged. Information redacted pursuant to the freedom of information act (foia), 5 u.S.C. 552(B)(6). *Tr

Filed Incident Engine and engine cooling · Power trainNHTSA 10334615
1992 Lexus SC400Engine & coolingCrash

Tl* - the contact stated that the 1992 lexus sc400, accelerated rapidly to about 50 mph while in the driveway. She stated that while backing into a driveway at about 2 mph the vehicle accelerated. This was early morning of 01/31/06, the weather and driveway conditions were dry. The gas pedal accelerated and pressed to the floor. She applied the brakes with force, but the vehicle didn't stop. The contact stated that the vehicle hit another vehicle in the driveway. This also happened to her husband last month, and he almost ran into the a garage. *Ak

Filed Incident Engine and engine coolingNHTSA 10181318
1998 Lexus SC400Engine & cooling

The day I drove off the lexus lot only a couple hours later, it was pouring the rain. I came across standing water on the road. Several cars zoomed right through, including the ford escort in front of me. So I proceeded only to find that my engine would cease and for the next three months I would pay a hefty payment with nothing to drive. Lexus said they couldn't do a thing for us that it was an act of god. I want to know why every other car did not get affected by the "act of god". You'd expect a $58,0000 to be...

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able to do what a ford escort can do at least. Luckily our insurance covered the $17,124 bill. The engine only had 4,329 miles on it,i bought a preowned. The engine had to be replaced,intake/gasketes, all headlight lamp assemlies,sensor etc.. Replaced. The night of the incident I called lexus customer hotline they gave me a confirmation # to get reimbursed for any hotel , restaurant receipts, or rental car fees but when I tried to get reimbursed they said their customer rep. Had made a mistake that they were not paying for anything. See we bought the car from out of town. I no longer own this vehicle but I just ran across this website and I think the consumer should know about this. The insurance was state farm the claim # 22-v169-45401.*Ak

Filed Incident Engine and engine coolingNHTSA 757057
2000 Lexus SC400Engine & cooling

I have engine damage due to sludge in my engine. Lexus is claiming the car wasn't properly maintained (regular oil changes), but that is not true. They are claiming that this makes my engine warranty in effective and void.

Filed Incident Engine and engine coolingNHTSA 748492

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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