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    VWVortex


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    Thread: Engine fires then dies, runs terrible

    1. Member Chim's Avatar
      Join Date
      Jul 21st, 2008
      Location
      Oregon
      Posts
      287
      Vehicles
      91 VR6 GLI, 87 3RZ 4Runner
      04-09-2012 11:03 AM #1
      Looking for any help or ideas...

      I have a 91 Jetta with a 98 VR6 swap. Car has been running great for the longest time until the last couple weeks the idle has felt like its been getting a little rough. Then this morning I cranked it over.. it fired then died.. did it three times till I gave it throttle and it struggled to stay running... then it idled at about 500 rpms... so I shut it off and left it and as I was walking away it smelled super rich out the back...

      Its OBD2 but I don't have a port to check codes...

      Any ideas?

    2. Member HagbardCeline's Avatar
      Join Date
      Dec 13th, 2009
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      518
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      445
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      '03 Passat GLX Wagon, '90 Jetta GLi
      04-09-2012 11:49 AM #2
      Vacuum leak?

    3. Member Chim's Avatar
      Join Date
      Jul 21st, 2008
      Location
      Oregon
      Posts
      287
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      91 VR6 GLI, 87 3RZ 4Runner
      04-09-2012 12:01 PM #3
      Quote Originally Posted by HagbardCeline View Post
      Vacuum leak?
      yeah I will check for that... could it also be spark plugs?

    4. Member Chim's Avatar
      Join Date
      Jul 21st, 2008
      Location
      Oregon
      Posts
      287
      Vehicles
      91 VR6 GLI, 87 3RZ 4Runner
      04-11-2012 09:55 PM #4
      Update: I unplugged the battery for a half hour then hooked it all back up and the car fired and ran good again... Any ideas what could have caused the problem?

    5. Junior Member pokey420's Avatar
      Join Date
      Aug 25th, 2005
      Posts
      77
      Vehicles
      98 GTI VR6, 03 24v VR6, 97 Jetta VRT(WIP)
      04-12-2012 01:02 PM #5
      Unplugging the battery would cause the throttle body to realign itself when you plugged it back in. Maybe check your TPS and throttle body, also check your MAF.

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