Ive had my 2003 hyundai sonata LX V6 for 4 months now that will not pass smog i have already received my 30 day permit and three 10 day permits i have took it to 3 different mechanics that cant seem to figure it out, there are no Check engine lights on, i have changed out my Throttle Position sensor,completed the drive cycle after that, my car Drives great no delays or problems but still keeps getting rejected at the smog check, the areas of reject are OBD fuel, OBD catalyst & OXY sensor, the mechanics say my sensors are good my gas cap is good and there are no known problems,my last resort would be to take it to the hyundai dealership,can anyone help me out?

Ive had my 2003 hyundai sonata LX V6 for 4 months now that will not pass smog i have already received my 30 day permit and three 10 day permits i have took it to 3 different mechanics that cant seem to figure it out, there are no Check engine lights on, i have changed out my Throttle Position sensor,completed the drive cycle after that, my car Drives great no delays or problems but still keeps getting rejected at the smog check, the areas of reject are OBD fuel, OBD catalyst & OXY sensor, the mechanics say my sensors are good my gas cap is good and there are no known problems,my last resort would be to take it to the hyundai dealership,can anyone help me out? 2 Answers

I HAD MY 2003 HYUNDAI SONATA BRAKE PADS AND ROTORS CHANGED, NOW AT ANY GIVEN TIME WHEN I GO TO APPLY BRAKES, THE CAR SHIFTS TO THE LEFT AND IT FEELS LIKE THE BREAKS ARE NOT GOING TO HOLD. I HAVE TAKEN IT BACK SIX TIMES, AND ONCE TO THE DEALERSHIP, NO IMPROVEMENT. I HAVE HAD CAR REALIGNED TWICE, WHEELS ROTATED, BRAKES FLUSHED TWICE, AND PURCHASED NEW TIRES, NOTHING HAS HELPED. HAVE YOU EVER SEEN ANYTHING LIKE THIS, PLEASE HELP 2 Answers

has anyone had this issue

I have a 2006 hyundai Sonata. I had the input and output tranmission senor replace but the check engine light keeps coming on. The car jerks when I put my foot on the gas to try to go. 9 Answers

I have had the water pump replaced and the oils changed. When I put my foot on the gas it seems like it don't want to go. I have had the input and output transmission sensor replaced twice. I rea...

I have a 2000 Hyundai Sonata 6cyl that was given to me by my inlaws about 8 years ago. Around 4 years ago (not too sure how long ago) it started skipping really bad & the check ingine light came on. 2 Answers

Every single time, after it started skipping the first time, I change the spark plugs & wires out, it starts back skipping not too long after. It will start & stop skipping whenever it wants to & ...

I have a 2005 Hyundai Sonata, When I start it runs fine for 15min, then shuts off, no codes given but the letter O, C and E blink on my OBD II reader. I replaced the O2 sensors& camshaft sensor 3 Answers

I replaced the camshaft and crankshaft sensor , idle control valve, EGR, o2 sensors, PCV valve. Justs keeps shutting off after it warms up. I need some help