• Tiny
  • Joan
  • 2008 Ford Focus
  • 4 CYL
  • FWD
  • automatic
  • 20,000 miles

I have a 2008 ford focus 1800 automatic. Everytime I take it on a long journey ie 900 kilometres the engine loses power and it says on the dash board Limited speed mode Engine system fault. Also the little engine motif appears in the speedo. When I stop for an hour or so it is ok. I had itn checked at the ford dealer and they said probably lack of oxygen going through mountains but it was ok now. Just driven a long way again and same problem. Engine only done 29000 Kilometers.

Do you
have the same problem?
Friday, April 15th, 2011 AT 2:04 PM

1 Reply

  • Tiny
  • Wrenchtech
  • Expert
  • 20,428 posts

Did they even bother to retrieve the stored trouble codes?
Your car has a "drive by wire" system that uses an electronic throttle control. It has 2 throttle position sensors for more reliable service. When one of the 2 sensors fails, the computer puts it into a half throttle mode to get you home safely. That's what sounds like happened to you.

Was this
Friday, April 15th, 2011 AT 2:49 PM

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