HELP! 2001 Hyundai Elantra Codes, How To Fix!!??
+ Reply to Thread
Results 1 to 9 of 9

Thread: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

  1. #1

    Default HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    my 2001 hyundai elantra runs fine, then decides to die out, then it wont start for a while, then runs fine a day or two then die. i bought a scanner and these 9 codes came up. (its 4 cylinder, 5 speed.)

    P0301 (cylinder 1 misfire) (generic code)
    P1440 (EVAP system vent circuit malfunction) (manufacturer code)
    P0443 (EvaPorative emission system purge control valve circuit) (generic code)
    P0303 (cylinder 3 misfire) (generic code)
    P0304 (cylinder 4 misfire) (generic code)
    P0302 (cylinder 2 misfire) (generic code)
    P0300 (random misfire) (generic code)
    P0507 (idle air control system RPM higher than expected) (shows up 2 times) (generic code)

    all codes show up in this order, i dont know where to start. what should i fix first? could one thing be the cause of the other codes? whats wrong? any help would be greatly appreciated.

    any one knows how to help?????

    ?????????????????????????????????????????????????? ?
    Last edited by guerilla05; 02-08-2008 at 09:12 PM. Reason: Automerged Doublepost

  2. Remove Advertisements
    Hyundai Elantra XD
    Advertisements
     

  3. #2
    Hyundai FTW. 2002 GLS has picked up a wrench 2002 GLS's Avatar
    Join Date
    Jun 2007
    Location
    Upstate, NY
    Posts
    1,418

    Cool Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    Holy cow. wish i could help you, but have no idea. maybe bump for some ideas lOl.... Welcome to the forums. I wanna say something with the spark plugs and wires?
    2005 Hyundai Xg350L, 2002 Hyundai Elantra Gls-Stolen, 1989 Mercury Cougar LS
    Both Hyundais and the cougar are long gone. Back to domestic for now...
    Looking for 96-99 V8 Explorer AWD.

  4. #3
    Super Moderator Cypher knows a lot about Elantras Cypher's Avatar
    Join Date
    Jun 2005
    Location
    Eastern Shore, MD
    Posts
    12,634

    Default Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    Well, looks like you're boned.
    2002 Hyundai Elantra: Sold
    1991 Nissan 240sx Hatch SR Swapped: Sold
    1992 Toyota MR2: Sold
    1991 Nissan 240sx Coupe: Future KA-T
    1999 Hyundai Tiburon: Daily Driver

  5. #4
    KDM to JDM. Keyan can identify a wrench Keyan's Avatar
    Join Date
    May 2004
    Location
    Sparta, NJ
    Posts
    6,437

    Default Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    bad gas.
    MySpace/Facebook
    Quote Originally Posted by someone on NJTuners.com
    never tell someone with a turbocharged elantra they cant do something
    Quote Originally Posted by OPZ View Post
    Keyan.

    You are my ****ing hero.

  6. #5

    Default Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    any more suggestions?

  7. #6
    Senior Member 2001VE has not yet proved knowledgeable 2001VE's Avatar
    Join Date
    Apr 2007
    Location
    Newmarket,ONT, Canada
    Posts
    535

    Default Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    Vapor lock from evap problem? When it dies removed the gas cap and try to restart car again. If it starts right up there is a venting issue. Bad gas ;water in gas also possible , add isopropyl alcohol , may be hard to find where you are, its gas line anti-freeze. Removes water quite well. Also try to check fuel pump pressure.

  8. #7

    Default Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    Plug fouling can cause misfires. I'd pull the plugs to look at them and if it has been a while since they were replaced, replace them. Plug wires also can cause misfires.

    Once the misfires are corrected, look at the evap system. The purge control valve can be bad as well.

    "Childhood is measured by sounds and smells and sights before the dark hour of reason grows"John Betjeman

  9. #8
    7 psi tunned by poweraxel Matrixloader has picked up a wrench Matrixloader's Avatar
    Join Date
    Jul 2006
    Location
    san diego, California
    Posts
    3,203

    Default Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    thats way to many missfires all at once dude, i am going to say that it sounds like your coil pack took a crap on you.

    I would replace the coil pack first before doing anything else.
    Last edited by Matrixloader; 02-11-2008 at 12:02 AM.

    When I die, I want to die like my grandfather–who died peacefully in his sleep. Not screaming like all the passengers in his car.
    DIY : Paint Bezels and turn signals Black. http://www.elantraxd.com/forums/showthread.php?t=28188

  10. #9

    Default Re: HELP! 2001 Hyundai Elantra Codes, How To Fix!!??

    Quote Originally Posted by Matrixloader View Post
    thats way to many missfires all at once dude, i am going to say that it sounds like your coil pack took a crap on you.

    I would replace the coil pack first before doing anything else.
    Might not be a coil pack. I might suspect it if 2 misfires (1, 3 or 2, 4) but not all of the cylundars. Since there are evap codes also, I first would look into fouled plugs or why the plugs fouled in the first place. Since the evap system vent system is malfunctioning, I would think that there is too much pressure in the fuel system, which can add pressure behind the injectors and possibly add too much fuel than needed (and possibly at the wrong time).

    "Childhood is measured by sounds and smells and sights before the dark hour of reason grows"John Betjeman

+ Reply to Thread

Similar Threads

  1. 2008 Hyundai Elantra Press Release - New Trim Levels
    By SuperGLS in forum Other Cars & Car News
    Replies: 1
    Last Post: 07-18-2007, 09:18 AM
  2. $5,500 - 2001 Hyundai Elantra GLS 43200mi
    By DL01elantra in forum Marketplace
    Replies: 0
    Last Post: 07-03-2007, 04:37 PM
  3. !!!!!2001 Elantra dual or tripple guage pod!!!!!
    By Elantra2nr in forum Interior
    Replies: 4
    Last Post: 09-12-2006, 10:11 AM
  4. Replies: 0
    Last Post: 06-29-2004, 01:24 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts