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Posted on Jul 10, 2017
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2002 VW Jetta 2.0 has trouble running when it's raining or the weather has been cold. It stutters, is real sluggish, power decreases, and malfunction indicator light comes on. There is a leak inside the car (not from sunroof) that drips down from driver's console (where the wires are, not along the door frame or windshield). No mechanic has been able to find out what is wrong. Is it possible that these two problems are related?

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Bill Boyd

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  • Volkswagen Master 53,816 Answers
  • Posted on Jul 10, 2017
Bill Boyd
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Indicates a problem with the ambient temp or Baro sensors that are not reporting correctly to the ECM or dirty MAF/VAF sensors doing the same
There will be fault codes so make sure that the scanner in use has the right protocol for VW
the wet or cold ambient conditions all affect these sensor operations

4 Related Answers

Anonymous

  • 3085 Answers
  • Posted on Sep 12, 2009

SOURCE: 2003 Jetta 2.0 L Engine, MIL and EPC Lights ON

Probably a bad COIL-PACK

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Anonymous

  • 15 Answers
  • Posted on Dec 04, 2009

SOURCE: 1996 jetta windshield wiper hit the windshield frame

loosen the nut at the pivot point, set wiper in new position and re tighten both wiper nuts. ::nut is under small plastic cover::

Testimonial: "Thanks for your help. That was easy when you know how. The nuts are soft material so use a nut driver, not an open end wrench."

Anonymous

  • 1 Answer
  • Posted on Apr 07, 2010

SOURCE: 2006 vw jetta No power on drivers door.

I have the same Problem. I Simply cut into the middle of the boot between the door and body The broken wire was right there, I pulled each end out and held the wire there with a pair needle nose pliers, stripped the end with a knife and attach a mulyi-strand jumper between both ends with electrial wire twists. Leave 2" approx. then slip the boot back over them. Use # 14 Wire. A Quick reasonable fix. If brakes again repeat again. The new Haness will have the same Problem down the road.
John

Testimonial: "I had the problem fixed at the dealer. It was the harness They made the harness longer & it was free.. "

Anonymous

  • 3 Answers
  • Posted on Jan 16, 2011

SOURCE: 2006 vw jetta TDI- No

I might have the solution for your problem. I paid $1,700 to learn it.
I might start a class action against VW
Please call me at 450-346-2617

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