I purchased used car from Schaumburg Honda, a 2003 Lexus RX300. Two days later the check engine light and VSC lights go on, the RPMs on the car were skyrocketing. I took the car back to them and after testing it they said it's the knock sensors. They had the nerves to tell me that it's gonna cost me $850 with their dealer discount. Please don't buy cars from them, they are crooks. I took my car to another mechanic and they charged me $650 to replace the 2 knock sensor with OEM ones.
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