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    VWVortex


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    Thread: '99 VR6 - won't start

    1. n00b
      Join Date
      Feb 4th, 2012
      Location
      Portland, OR
      Posts
      6
      Vehicles
      1999 VW Jetta GLX VR6
      03-14-2012 01:41 PM #1
      I replaced the thermostat in my '99 MK IV VR6 last night and after getting everything back together, it won't start.
      Turns over but won't fire.
      I have double checked that the spark plug wires are all going to the correct connections (the only thing that I can think of).
      It turns over strong and the headlights are bright so I wouldn't think that it is a bad connection anywhere.

      Any suggestions on where to check.
      I'm not super techie but can handle a wrench.
      Thanks

    2. n00b
      Join Date
      Feb 4th, 2012
      Location
      Portland, OR
      Posts
      6
      Vehicles
      1999 VW Jetta GLX VR6
      03-14-2012 04:12 PM #2
      I just looked on a bunch of forums and one of them states that if you remove the battery - you need to enter the 'safe' code in the stereo or your car won't start - is this possible?

    3. Member GTIVRon's Avatar
      Join Date
      Jul 24th, 2009
      Location
      Keller, Texas
      Posts
      4,152
      Vehicles
      92 Corrado SLC, '12 Golf R
      03-14-2012 05:22 PM #3
      Not sure about that. Make sure all your connectors are plugged into the correct sensors on the thermostat housing. Mainly the coolant temp sensor (blue plug). Also see if you might not have accidentally proken or disconnected the crank shaft position sensor.
      2002.5 Jetta 1.8T - TOTALED (dodging deer)
      2002.5 24v GTI - TOTALED (rear-ended by a Jeep)
      1992 Corrado SLC - Dead. Will be back.. stronger.
      2012 Golf R - Daily Driver Status

    4. n00b
      Join Date
      Feb 4th, 2012
      Location
      Portland, OR
      Posts
      6
      Vehicles
      1999 VW Jetta GLX VR6
      03-14-2012 07:10 PM #4
      Quote Originally Posted by GTIVRon View Post
      Not sure about that. Make sure all your connectors are plugged into the correct sensors on the thermostat housing. Mainly the coolant temp sensor (blue plug). Also see if you might not have accidentally proken or disconnected the crank shaft position sensor.
      Thanks for the info!
      I had it towed to a local shop as I am out of time and energy.
      Will let you know what they find.
      I have a feeling it is the coolant temp sensor.

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