Check engine light came on - took car to dealership - they replaced vacuum elbow. Light stayed on as well as "ABS, TRACS,and BRAKE" lights for a short time. Now they say car needs front and rear O2 sensors for $2000. Take car to indepndent car repair. they do diagnotic test and conclude car only needs front sensor. front sensor replaced. ($400). pick up car - drive 2 miles - check engine light on again - told to bring car back on Monday. ABS,TRACS< BRAKE light as well as ETS light on for brief period (20 minoutes). Odormotor reading during this time is ------. Take car to repair shop - Rear O2 sensor replaced ($400 more). Pick up car drive one-half mile - check engine light on again. Drive car back to repair man - hook car up for diagnotic testing again - "car ok to drive - need rear O2 sensor" told to come back in a few days. Two days later ABS,TRACS, BRAKE and ETS with -----odormeter reading again for about 30 minutes. car feels like it is going to stall for a few seconds. Now only "check engine light on" NEED HELP. PLEASE! P.S. I have also had the flashing arrow for a fault in transmission come on. Diagnotic test does not indicate that needs repair nor brakes. THANKS!