Question about 2001 Hyundai XG300

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Car engine shuts off while driving

My battery recently died (on my 2001 hyundai xg300 ) and i had it replaced. now my car engine shuts off while driving but if i turn it off and turn it back on it still works fine. its happening while driving to so its very dangerous. just wondering what it might be ? should i get this looked at by a dealership im scheduled for a regular mechanic

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  • vorador May 22, 2009

    it has happened 4 times now

    2 times while stopped at red lights

    2 times while driving

    once while driving i was @ about 30-40 mph when it cut off but i pushed the gas pedal hard and i heard a click and it turned right back on

    earlier today i was luckily in the right lane when it cut off i repeatedly hit the gas pedal but it was dead

    even the powersteering was dead as i turned off the road i was lucky i made it...

  • vorador May 22, 2009

    i got the battery checked at checker it is fine he said and he said the alternator had to be good to because the battery was fully charged and obviously new

    both places i have called have suggested it is a fuel pump or fuel injection problem

  • vorador May 23, 2009

    well the click is just a plain clicking sound it reminds me of when i tried turning on my car when my battery was dead and all it did was click

    Also I brought my car to smart Automotive in az today.... Big mistake if u live in az never go to smart automotive in old town scottsdale

    i spent 80 dollars on a diagnostic they ran while i was at work.. they called and said everything was fixed and it was 80 bucks and the vaccuum hose was cracked and that was the problem....

    ya it wasnt.... i get to the lot turn my car on it sputters it never did that b4

    like it wouldnt start until the 3rd try so i walked in all mad and the guy told me that since he rebooted the computer on my car it would take a day or so for it to relearn everything.. so i bought that bs lie

    until.... i turned onto scottsdale rd and got 1 minute up the road and i heard the click

    my engine did not cut out this time but i brought my car right back

    Bob ( owner of a scamming mechanic shop ) looked around confused for a while and kept plugging the diagnostic in my computer taking things apart and putting them back together for a while he killed my engine and it looked like it wouldnt start again.... then when it did he finally found that the crank shaft sensor was now showing up on his diagnostic reading and claimed that was the problem.. and i shouldnt drive my car however he cant fix it till tuesday so i took my scary *** ride home and since i paid $80 and the only thing i achieved was

    the small space where it says miles till empty now is faded in the middle.... and

    i got the check engine light turned on i decided y blow another $80 so i went to auto zone to get a free diagnostic now that the check engine light was on...

    one guy came up with the same conclusion but the paperwork says diferently... im so confused now

    the paper i have says

    BBets limp home - low rpm

    probable cause

    001 poor electric connection

    002 dirty throttle body

    003 failed throttle motor

    ok so now im very confused and my car is jumping back and forth now sometimes like the engine seems like it wants to rev itself but then it sputters its really wierd .... frankly i now feel defeated and am wondering what i should do now.... i just wanna give up and dig a hole and crawl in it.. has anybody ever gone through this hell before ?????


  • vorador May 23, 2009

    Also i called the hyundai dealership today and they said it sounded like a speed sensor

    there are so many sensors which one is the one i need to replace its sooooo frustrating

  • vorador May 23, 2009

    the clicking seems to come from the front of the car like around the engine i mean its pretty loud when i have no music on

    maybe even like right behind the dash its just 1 decent click thats pretty loud

  • vorador May 23, 2009

    Im mechanically illiterate i just know how to observe what is going on im not about to start pulling wires apart and experimenting im sorry lol... if you have a good mechanic to suggest in az i am all ears though . I am not sure at all as to what i am going to do Ive considered just taking it to brakes plus with my auto zone diagnosis but im afraid that might just end up being bad money spent and it still wont fix the problem then i will be 80+ in the hole and still not even know whats wrong with my car. Wish I would have just taken it to hyundai in the first place but there not open on the weekends and i really need this fixed soon plus there even more expensive there goes more money. Im starting to wonder if my battery was ever the issue before and if it even needed to be replaced. it was 2+ yrs old but i never had a problem with it until right before all of this started happening.. i know it has to have something to do with the battery its to coincidental how soon after it happened. its definetly something electrical though

  • vorador May 23, 2009

    does any of this sound like something hyundai recalled any xg300's for ?

    been looking at recalls and that one kinda sounds like my problem



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Your battery completes an electric curcuit allowing your system to function. Since this is occuring after a battery change I would suspect either a short in the circuit or a ground fault, or a bad battery. Yes you should take it in to be looked at> I'd look in your local phone book and see if you can find an auto electric specialist in your area as most dealerships won't be able to help you unless they can replicate the problem.

Posted on May 22, 2009

  • rjbeg123 May 22, 2009

    Can you describe the 'click' did it sound like a switch being turned back on or did it sound like a 'brrrp', fuel pump would't cause an abrupt loss of power but a sputtering and gradual loss of power so not likely, same for injectors. Power steering is powered by the motor so it makes sense that it died. Your problem is definately electrical, Again descibe the click, sound and location, under dash or from engine compartment???

  • rjbeg123 May 22, 2009

    I'm loggin off for the night, If the click you heard is from the inside I'd try giggling the key switch next time it happens to see if the fault is in the swith connectors. If from outside and more of the brrp sound I'm still thinking grounding or short somewhere. The connectors to your battery can be damaged if bent during removal and replacement of a battery and could cause the issue you describe as well. With the car running try pushing and pulling on the wires that hook up to your battery and see what happens. Best of luck. good night, if you post updates I'll get an e-mail & I'll check back in tommorrow.


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Check the wires underneath your hood. Make sure there are no bare exposed wires making contact with any metal part of the car. I had an experience like this with a Hyundai Elantra. The oxygen sensor wire had to much slack and through years of wearing the bare wire was exposed. When the wire came into contact with the metal frame it would blow the fuse to the ECM. 0.20 later for some heat shrink and a ****-splice i was back in business!!!

Posted on Aug 01, 2009

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Clicking is the cars relays and such shutting off when the car shuts off, normal. The car is shutting off, not normal.

You showed a recall for the car, a ignition shutoff sensor. I would have the dealer replace this first. They can find the month the car is built and see if it applies to your model.

Posted on May 27, 2009

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Ya i would need more info to better answer your question

Posted on May 22, 2009

  • kayla vanhorn May 22, 2009

    after reading what your caqr is doing check the terminals on the battery and see if they are loose if they are tighten them its a simple solution but sometimes its that easy


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