ROUGH START

  • Tiny
  • northernpikes
  • 1997 Mercedes Benz S420

1997 mercedes s420 runs rough on cold start up, then engine runs fine after 15 seconds, but there is odour of gas

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Friday, July 29th, 2011 AT 7:13 PM

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  • Tiny
  • rasmataz
  • Member

Check and test the engine coolant temperature sensor and clean throttle body

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Friday, July 29th, 2011 AT 8:23 PM

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