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2.4 engine 2.4-3.6 2019 back backlit basket button emmisions engine engineswap gmc home rack roof seek shaking speedometer terrain
  1. GMC Terrain Engine and Technical Discussion
    2012 Terrain V6 Automatic 188000 miles My speedometer bounces...flutters...? I don't know how to describe it. I've been to 3 different mechanics and had an exhaust back pressure test. They were also stumped and wanted to do more tests. Does anyone have advice? I don't feel like I'm being drug...
    engine shaking speedometer
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