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1991 Volkswagen Jetta Questions & Answers
1991 V.W. jetta 2.0 16v
If you facing a little black smoke along with it your engine is
running a little rich. Black smoke indicates unburned fuel and this
could cause a black stain and leading to test failure
My car will not start...
Try having the seatbelt sensor checked. Just bought 1991 vw jetta yesterday. They Owners said that the car wouldn't start. They had the starter rebuilt, they tried boosting it, but it still didn't start. They finally found out that the seatbelt sensor was bad, and because it is a safety feature it wasn't allowing the car to start. Instead of replacing the sensor they by passed it by cutting the wires that go from the latch down through the door ppanel and twisted them together. The seatbelt still latches it just by passed the senso sor and allow the car to start.
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