NHTSA Complaint #10499934 — 2010 LEXUS RX450H

1/11/13 - WHILE DRIVING, VARIOUS WARNING INDICATORS ON DASH BEGIN TO FLASH ' CHECK HYBRID SYSTEM, CHECK AWD SYSTEM, AND CHECK ABS, THEN CHECK ENGINE INDICATOR ILLUMINATES. VEHICLE ENGINE BEGINS TO DE-RATE AND THE ACCELERATOR PEDAL BECOMES INOPERABLE. BRAKES STILL FUNCTION. STOPPED VEHICLE, TURNED IT OFF, AND RE-STARTED. ENGINE WAS UNSTABLE AND THE RPM WAS OSCILLATING. THE HYBRID SYSTEM WAS NOT FUNCTIONING. VEHICLE WAS TOWED TO DEALERSHIP. DIAGNOSIS: FAULTY FUEL PUMP. MAINTENANCE ACTION: R&R FUEL PUMP, FILTER, & SUCTION PLATE. VEHICLE WAS RETUNED ON 1/19/13. ON 2/10/13 THE SAME EXACT SITUATION OCCURRED AGAIN. VEHICLE WAS TOWED TO DEALERSHIP. DIAGNOSIS: FAULTY FUEL PUMP/SYSTEM. MAINTENANCE ACTION: PENDING. DEALERSHIP IS WORKING WITH LEXUS ENGINEERS AND TESTING VARIOUS THEORIES. AS OF 2/25/13, THE VEHICLE IS STILL AT DEALERSHIP. ACCORDING TO MAINTENANCE RECORDS, SAME SITUATION OCCURRED ON 8/27/12 (PREVIOUS OWNER). DIAGNOSIS: FAULTY FUEL PUMP. MAINTENANCE ACTION: R&R FUEL PUMP, FILTER, & SUCTION PLATE. HISTORICALLY ' NO ACCIDENTS AND ALL SERVICES AND MAINTENANCE PERFORMED BY DEALERSHIP. *TR