1999 model, it cuts out once per trip, always at low speed pressing on the accelerator, I hear the electrics go off and oil+battery light on dash just like when starting, it sometimes comes back to life after a second while coasting but if not then it takes a few minutes to restart when stationary.
I've replaced spark plugs but theres no change. There was a transmission fluid leak at the same time this started happening but that was fixed and the cut out problem still happens. TIA
I had the same problem with my 2000 Sonata a couple of years ago. It was the crank sensor and once replaced, it solved the problem.
I had this happen to mine twice. Once when I first bought the car in 2002 and after several trips to the dealer they replaced the crank shaft position sensor. Earlier this year I had it happen again and I replaced the same thing and it solved my problem.
I have the same problem with my 95 hyundai sonta, and I asked my mechanic what could be the cause and he said it could be the air intake. You will see a group of i think about 10 little hoses all together and to check to see if there is an air leak in those, it could be that and be solved with a few dollars spent on some new hoses, that you could do yourself.
Jasmine
I have the very same problem with my 2000 sonata with 2.5 litre V6...the mass airflow sensor and crank position sensor are being replaced shortly...stay tuned for the results....
Maybe the alternator
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solve this one car falls flat on its face even when trying to drive 10 mphs. no check enging light on right now but everything goes back to sensors even when the diagonostic doesnt show anything is wrong.
2000 hyundia sonata has no power even after totally gone through. nobody can seem to tell me what the problem is without spending mega bucks. everyone wants to do a diagnostic to it but so far that hasnt helped at all. any idea?
I was driving at 80km and the car just shut down, all dash lights were flashing, power steering had gone and I coasted to the side of road. I then switched car off and restarted it fine, about 2km it did it again but with out shutting down completely and I was able to drive home normally. Bit worried to drive it now though!
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