My 2001 Hyundai elentra check engine light came on after changing my cv axile the car runs great i know that it leakes fluid from underneath.where i park my car every day there is a fluid stain on the ground.i have checked to see if the gear oil was low and it was not.i need my car to pass smog before i can register my car.please help me?thank you
Easy, find someone that has an OBD2 meter and get the error code # ( an example is Po256) Then plug the code number into google and it will tell you what is wrong.
You have to have a sensor on the engine component for the ck engine lite to come on. Leaking fluid will usually not have a sensor, so this is not the engine light problem.
SOURCE: can't reset monitors
you could have a break in what is called the keep alive memory power to the computer. each time you shut off the car the computer resets itself. the trick is to put enough miles on the car in one day and not shut off the ign untill you get the test done. or find the break in the keep alive memory wire to the computer.
good luck chris
SOURCE: 1996 hyundai sonata gl.monitors wont reset.wont
took car to hyundai.seems you have to drive it like a little old lady to get the monitors to reset.I cant drive like that,so I spent 40 bucks to have them do it.
SOURCE: Engine light is blinking and it runs very rough/low power in gear.
Check the coil pack. Same symptoms on mine. It went at 74,000.
You can get the resistance specs from a shop manual. I have been told the plastic engine cover traps heat and makes short life of the coil pack. I removed the top engin cover, cosmetic only after replacing mine. You will probably need spark plugs also they are probably fowled by now. If you have not changed spark plug wires in awhile in would not hurt.
SOURCE: 1999 check engine light flashes
MY 1999 hyundai elantra shutoff on the interstate when i took it out of cruise control and put it in neutal and will crank but not start.
SOURCE: 2004 santa fe hyundai
it is probably going into a fail safe mode, get it to a dealer and have it scanned for dtc's
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