1992 Lexus SC400 Q&A
1992 Lexus SC400 Question: car has no power,miss,smokes.
It's possible that the oxygen sensors or the MAF are faulty. These things can be checked out by a technician with a scanner that reads data. It's also possible that the engine is running cold or the engine coolant temperature (ECT) sensor is faulty, causing the engine to run rich. If you want to contact a Lexus or Toyota specialist, Here's a directory link for you: https://repairpal.com/directory?address=87124&car_brand_names=Lexus - Superbob