low oil pressure at idle
you need to see what your actual oil pressure is at idle, remove the sensor and check to see what the oil pressure is, if it is good change the oil pressure sending unit
StevenBoussey is spot-on. But what rpm is idle?
Does your car have high miles or have you driven it really hard? It could be engine wear of just a bad sender unit. Change the oil and filter while you are at it.
Looking for a Used Supra in your area?
CarGurus has 40 nationwide Supra listings starting at $47,888.
Search Toyota Supra Questions
Toyota Supra Experts
Related Models For Sale