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I just bought an used Alfa Romeo 147 1.6TS 120cp. At high speed like 140km/h the car doesn't go more fast and the engine light is showing. After some short time the check engine is no more there. I noticed that the car is shaking a bit when I'm in park. Is this a bad spark plug?

  • Have you read the codes? That might point to turbo or something... – Solar Mike Feb 23 at 13:18
  • Read codes on the vehicle. Sounds like it could be ignition or fueling. – yollooool Feb 23 at 13:50
  • @SolarMike TS comes from Twin Spark. It has no turbo. I haven't read the codes. – Radu Ionuţ Feb 23 at 15:00
  • @yollooool The car is making a lot of white smoke. Doesn't this mean that there is oil on the bad spark plug? – Radu Ionuţ Feb 23 at 15:00
  • White smoke usually means coolant. If it was oil on a plug, you would see blue smoke. – yollooool Feb 23 at 18:49

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