2000 Lexus RX300 Q&A
2000 Lexus RX300 Question: check engine light is on
All the codes refer to the 'front' (before the catalytic converters) sensors circuits having abnormal voltages. Those codes indicate that the computer detects that the engine is running too lean (not enough fuel) and/or that the bank 1 and bank 2 front oxygen (O2) sensors' circuits are faulty.You could have airflow sensor (MAF) problems, air intake leaks, or deteriorating or faulty O2 sensors. If you want to find a specialist, here's a directory link for you: https://repairpal.com/directory?address=44685&car_brand_names=Lexus - Superbob
The Check Engine Light may come on because a component of the oxygen sensor stops working. Replacement of the failed sensor should correct this concern.
I had my check engine light repaired on my Lexus 2003 rx300 twice in two weeks at a cost of $200. each at my friend's repair shop. Should I bring it back to my Lexus dealer instead?
The Check Engine Light may illuminate because the mass air flow sensor sends incorrect information to the engine control computer. This can cause a loss of power on acceleration. A failed mass air ...
I noticed my check engine light come on, and i also get a knocking sound when i try to accelerate. In addition when i am accelerating, the check engine light flashes. I also noticed a burning smel...
Intermittent failure of the purge control valve in the evaporative emissions (EVAP) system may cause the Check Engine Light light to illuminate.