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  1. STS Forum - 2005-2012
    Car was purchased 6mths 120k miles, ran smooth no issues at all. Few weeks ago cruising at 62mph when it jumps almost like it was pulled out of gear, let off the accelerator and she just purred on. Drove fine for another week then did it again but this time the engine reduce power came across...
  2. FWD DeVille 1985-2005, Fleetwood, and 60 Special
    Part of my poor running problems were solved when I removed the oxygen sensor near the catalytic converter. The sensor "appeared" good but I had no way to properly evaluate the sensor. Then I had a thought and decided to look in the fuse box and found a blown fuse for the oxygen sensor. There...
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