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Hyundai XG300 and XG350

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  • ladyhecklerladyheckler Member Posts: 3
    i wasn't able to drive my 2001 xg 3 300 for almost 6 months because they couldn't keep the check engine light off and get the same thing running! the battery died and then the alternator.. then both of them maybe 3 more times.. i think it was an electrical prob. but you know the car in every way has not been the same since! the computer has been the source of most of my issues! it's now 2010 jan... and it's dead in the driveway.. i'm going to put all my paper work together .. and get something done! i was loyal to the car.. now Hyundai needs to make good ! i think i've had EVERYTHING happen to me that i've read from other posts!! so if you have any questions.. feel free to ask!
  • orv2orv2 Member Posts: 13
    SYSTEM TOO RICH (BANK 2)
    1. Check Air Cleaner Restrictions,if no restriction(s) found then seek professional help.

    orv2
  • simplexsimplex Member Posts: 1
    it's not the same for xg350. there is no magic switch or panel to find the switch in the xg350 model. we bought the instructions and found out the hard way. i haven;t found a way around going to the dealer, yet, for programming, but i did get the scoop on buying a FOB online. make sure it was made the same year of the car!
  • danswildkattdanswildkatt Member Posts: 1
    do i cause any trouble to the engine if i remove the maf sensor, the car works great since i unplug it, i could'nt take it anymore, besides a higher idle in park it takes off like a bat out of hell. they want 400 for a sensor is there a cross reference car with the same maf :shades:
  • jiaminjiamin Member Posts: 556
    I'd think removing MAF sensor does not hurt anything but MPG might be lower, as the car does not know how much gas should be injected into the cylinder to maintain the correct gas to air ratio.

    Are you sure your MAF sensor is bad, not just dirty? My RX300 got a rouch idle and sometimes engine just stalled. I took MAF sensor out and saw the sensor wire was covered with lots of epoxy looking, accumulated dirty stuff. I bought a can of some spray from Frys and cleaned the sensor. I made sure the dirty stuff was gone. Put it back in the is as smooth as the day I bought it.

    If the tiny sensor wire is not touched, it is unlikely the sensor is completely bad.
  • jiaminjiamin Member Posts: 556
    My dad bought a used 2001 XG300L. We found the brake is so heavy to use, as if there is no power at all (or not enough power assist). We took it to Huyndai dealer and Midas. Both checked and said it is very normal. To me, I have to apply about 3 time as much force to slow down or stop the car, as to all other cars I have driven.

    My dad got used to it already. However, is it normal, just designed that way?
  • orv2orv2 Member Posts: 13
    Anyone ever have this type of failure?
  • orv2orv2 Member Posts: 13
  • psycho13psycho13 Member Posts: 5
    I have the same problem for a while now...have you found a solution?
  • jiaminjiamin Member Posts: 556
    Not yet. I will bring the car to an independent mechanic who I know very well.
  • psycho13psycho13 Member Posts: 5
    Feel free to update me once you diagnose it. I am waiting on fixing my issue, trying to get some feedback. Do you btw experience engine trying to stall or sputtering occasionally when you come to a complete stop at a light? In my car it feels as if the two issues are connected somehow.

    Anyways good luck.
  • jiaminjiamin Member Posts: 556
    Yes, exactly the same experience about three year ago. Since my dad drives this car, I kind of forgot what was replaced. I only know it was not the MAF sensor. After the repair till today, there is not a single problem.

    I will check the brake thing as soon as I get the time, and will update you. I don't quite trust the Hyundai dealer who checked and said brake is normal (We bought the car from them).
  • newtonx1newtonx1 Member Posts: 3
    edited June 2010
    Yesterday my wife's car, 39.6Kmiles, was having issues with the accelerator. She was driving on the highway and the car appeared to die. The engine was still running, but when she pressed down on the accelerator there was nothing, the engine would not even rev up. She coasted off of the highway and when stopped the car's check engine light came on and the car died. About 2 minutes later the car started back up, check engine light off, and she was able to drive it another couple of miles until it happened again.

    I took the car to a shop (not Hyundai dealer-it's out of warranty) who was unable to locate a problem or duplicate the issue. My wife picked up the car and drove it home today without problems. I did some research and found that some owners have had similar issues and ended up replacing some sort of sensor: accelerator position sensor, accelerator sensor, accelerator relay or something of the sort. I called Hyundai Consumer Relations to explain the issue and he told me he could find nothing showing a re-occurring issue.

    Does anyone know what the problem is or what I need to replace?
  • psycho13psycho13 Member Posts: 5
    Google "hyundai forum" and do extensive searching. From my reading around the places, a lot of people had this problem with a bad MAF sensor. Perhaps there were the throttle position sensor issues too, but this specific problem with the car acting up for no apparent reason sounds like MAF. Feel free to correct me and definetely read up on it before you act. This is a very common problem on the XG300. I don't have it any longer(knock on wood), but remember the nightmare of dealing with the dealer back when I had the factory warranty. They replaced the complete transmission, as well as god know what else, and I still had the problem albeight less. They were having a great time charging Hyundai for the warranty work. NYC dealers are born shady :) i would suppose now it is a common enough issue to be covered in TSBs and they should diagnose it rather well. In the end I do not remember how it disappeared, as there was so much done on the car....read read read. When you armed with knowledge you will be much better off at the mechanic.
    Good luck.
  • jiaminjiamin Member Posts: 556
    Today I had time to bring the XG300L to my mechanic for drive belt change and meanwhile let him check the brake. He said the ABS part is not working as he saw the ABS light is on all the time, but the brake is normal, not heavy as I described earlier. Actually the ABS light is intermittent. When I drove away it didn't light up at all. He does not have a scanner to check ABS.

    By the way, TCS light is also intermittent with the ABS light. They are either both on at one time, or both off at other times.
  • psycho13psycho13 Member Posts: 5
    edited August 2010
    So, is the pedal still heavy? Was it heavy when you came in to the mechanic? Or did it go away at some point in time before that? I still have the same problem, just living with it, as I got used to it kind of....my ABS TCS lights also come on occasionally, but quite rarely, and then go away just as well after turning off engine, or by themselves...

    I am curious that all mechanics think that this is normal, when it obviously isn't. I don't feel like experimenting by changing all the brakes, rotors, flushing the system and having no guarantee that this problem is related.
  • jiaminjiamin Member Posts: 556
    Yes, it is still heavy, the same before and after my visit to the mechanic. It is heavy especially when I want to slow the car down quickly.

    I don't agree with the mechanic saying "ABS is not working therefore brake is heavy...". ABS starts to kick only in extreme case, not in normal operation if I understand it correctly. So no matter ABS is working or not, it shouldn't affect normal and gentle braking.
  • davidbougherdavidbougher Member Posts: 1
    Amit,

    Did you ever figure out the issue. I too have a P1191 and P1193 issue.
  • bugsy1bugsy1 Member Posts: 16
    I canot get the fog lights to come on , they use to work but now they stopped. whats the problem.
  • jiaminjiamin Member Posts: 556
    The rear view mirror is very loose now. Does anyone know how to tighten it up?
  • wraprevailwraprevail Member Posts: 1
    I have a 2003 XG350. It has a continuing series of issues that may be related or may be just lots of bad luck.

    1) the Car occasionally will not start, battery is new and alternator has been tested as fine
    2) yesterday the engine light went on
    3) today the brakes barely work as they are completely with out any resistance.

    Any thoughts? Would love to have some feedback before I take it to the shop.
  • psycho13psycho13 Member Posts: 5
    In all honesty, these issues are a virus with the model. I have asked before in this thread and while someone had a similar brake issue as mine, no one had any clear answers. In my case the brake pedal is stiff in breaking. Feels like only 30% of the power assist is actually working. I ve been driving like this for years now. The check engine light occasionally pops up for several weeks then goes away, usually just in time for a new inspection, which the car passes just fine.

    To resolve all issues and eliminate all possible reasons, I would have to replace the coils, change the oxygen sensors, change the transmission and engine mounts, do a tune up, change brakes and replace rotors, check hubs and brake calipers. Check master brake cylinder and brake lines.

    These are just the issues I am aware of on my 2001 XG300. Now you tell me if it's worth spending twice the money the car is worth?

    This is no advice, but it's at least a reply, telling you aren't alone.

    In your case it might be an easy fix, if you just experienced these issues in a row without problems before. Beware though, not to get dragged in into an escalating repair project and see if its worth your time and money.
  • hopethishelpsuhopethishelpsu Member Posts: 1
    Here is a link to a web page that a fellow car owner has put into words what happened when the car experiencing failing brakes and simultaneously acceleration which then made the car lurch forward .- causing an accident http://www.carcomplaints.com/Hyundai/XG350/2004/brakes/sudden_brake_failure.shtm- l#1

    Here is another link to problems with the ACCELERATOR POSITION SENSOR and VEHICLE SPEED CONTROL: ELECTRONIC THROTTLE SYSTEM (ETS)

    1 = http://www.iseecars.com/car-problems/hyundai-xg300-problems

    2 = http://www.hyundaiproblems.com/tsbs/XG350/2002/

    3 = http://www.hyundaiproblems.com/tsbs/XG350/2003/

    Read your post and went back to earlier researched pages hope this helps you figure out he problem. I don't know why no recall on the this particular model. I blame it on our politicians for not having a better system to make cars become recalled that are a danger to the consumer that bought them. After doing some research on just this car for about an hour I know I don't want a used one, and will advise the actual owner I am researching for , to junk hers. Good luck from me to you.

    I hope you make Hyundai pay for their continued laziness of marketing a dangerous product and not fixing the problem once they knew it was a problem. All these incidents surely shows there is a problem with their product.
  • andytaborandytabor Member Posts: 1
    Note: You may want to remove the mirror from the windshield first to make the following steps easier. It's not necessary, but it's up to you. If so, pry off the plastic cover at the top of the mirror stalk, disconnect the power cord, and then pull the mirror downwards and parallel to the windshield to remove it.

    Method 1: On the back side of the mirror below the ball joint, there is a small round cover. Insert a sharp blade tip at the top of the cover and carefully pry it out. Underneath is the tip of the tension screw. It has a slot in the end of it that can be tightened with a small flat-blade screwdriver. Carefully replace the cover, inserting the bottom tab first, then snap in the top. If the mirror is still not tight enough, go to Method 2.

    Method 2: Carefully pry off the rim bezel of the mirror, starting in the middle of the seam on the bottom, working your way around the edge. The bezel will pop off when you get past one of the ends. I used a pair of heavy guitar picks to keep the latches from snapping back into place as I progressed. Once the bezel falls off, the mirror assembly will dangle from the power cord. The Phillips tension screw is in the center bottom of the case; tighten it to suit, and make certain that the four bracket mounting screws around it are all tight, too. Then place the mirror assembly back in place and snap the bezel back into place, starting at the top.
  • jiaminjiamin Member Posts: 556
    Thank you so much for the reply in great details. I haven't been checking this forum lately. In case I break anything I will just buy an after market cheap mirror.
  • lee24017lee24017 Member Posts: 1
    Are any of your door switches or trunk switches (that control the light turning on and off) broken? They are black and in the door jam for the doors and for the engine it is on the left when you open the hood I think the trunk is the same. They all look alike, black rubber and should feel like pushing a button when you press it. You will be able to tell immediately if they are broken by pushing in on them. You should have a light go of when you push it, if not it is broken. Very easy to replace these yourself, just held in with two screws. Do not loose the screws! Anyway, if it is broken it stays on and runs down the battery, and if all or a couple are broken, that would take a lot of juice out of the battery. If you have turned your switch in the car for the light to off, because it was staying on, this would be the reason why. If the driver's door switch is broken then the ring of light around where you put your key in will be off too and you will have trouble with your car alarm, since the car thinks the door is always open. Hope this helps!
  • bobfreeman123bobfreeman123 Member Posts: 1
    Hi Duane,

    Do you have more information about this wire? I'm having the same problem exactly.

    Thanks in advance. If you could email me back at doggysmells@gmail.com I would really appreciate it. Thanks
  • littlemoneylittlemoney Member Posts: 1
    Am having the same problem as Canopus with my 2003 xg350L -- car will start lurching forward while sitting in gear with foot brakes applied, also does this while in reverse. Also will be going down the road and will feel a tremble under the car at random times. Codes showed throttle control censor which was changed did'nt change a thing. Mechanics can't seem to find the problem. Any feedback concerning this problem would be much appreciated.
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