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    Thread: 2003 jetta 1.8t engine stumbles on cold start

    1. Junior Member
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      Jan 11th, 2011
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      01-11-2011 02:19 PM #1
      Hi everyone, i have a 03 jetta with 1.8t engine, it only has about 70k miles but when i start it on a cold morning the engine will stumble and once the engine light came on. It would only stumble for like a minute and go away or when i restart the car. when i got the engine light checked it was cylinder 2 and 4 misfire. i changed the spark plugs and coils a month ago. also i have the new temp sensor so that should not be the problem. i have no clue what the problem is please help. THANKS
      Last edited by yoho3215; 01-11-2011 at 02:21 PM.

    2. Member CHABER's Avatar
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      01-11-2011 02:23 PM #2
      my car sputters on cold starts every once in a while, dunno why though.

      maybe you have an ignition coil going intermittently. A while back i used to get random misfires sometimes as well as an occasional cel that read misfire when i got it scanned at autozone. Since then I've gotten all four ignition coils replaced and have never experienced that again.

      edit : i see that you said you replaced the coolant temp sensor, I noticed my car sputtering after i replaced mine with the green one. again i dont know why..

    3. Junior Member
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      01-11-2011 05:23 PM #3
      i changed the ignition coils about a month ago with new ones i got a autozone. so i dont think it would be the coils again. but i dont know about the temp sensor thing

    4. Member CHABER's Avatar
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      01-14-2011 10:23 AM #4
      Quote Originally Posted by yoho3215 View Post
      i changed the ignition coils about a month ago with new ones i got a autozone. so i dont think it would be the coils again. but i dont know about the temp sensor thing
      you know that ignition coils are under recall right? meaning you can get new ones free from the dealership. the autozone ones are probably crap

    5. Junior Member
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      01-14-2011 06:30 PM #5
      wow thanks man ill check that out

    6. 01-14-2011 06:32 PM #6
      there not going to replace them at the dealership now if you have autozone ones in there

    7. Member O_Matt's Avatar
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      01-14-2011 06:34 PM #7
      Quote Originally Posted by chips4087 View Post
      there not going to replace them at the dealership now if you have autozone ones in there
      Obviously.

      If he still has the old ones though, he could use those to get new ignition coils at the dealer.
      RIMZO

    8. Member
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      01-14-2011 08:40 PM #8
      no they will still probably replace them. its easy money for the techs and it goes by part number. if it doesnt have the 'good' part number it gets replaced
      XBOX GT:SO ICY GOON SQD mainly play MW2 and Halo

    9. Member
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      01-14-2011 09:03 PM #9
      use an OBD and see where we can begin... at least from there we have an idea. it sounds like you dont have enough CCA (cold cranking amps) but that is just the battery it wouldnt trigger a check engine light to go off... seems rather odd, i wouldnt wait on this one i would get it checked out.

    10. Junior Member
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      01-14-2011 09:20 PM #10
      i dont want to go the dealer cause they have the vw dealer has a tendency to take extra time on purpose

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