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Focus St170 Hesitation At 4000Rpm ?????

does anyone know the remedy??

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#1 cumbriashaun



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  • Name: shaun
  • Ford Model: focus st170
  • Year: 2003
  • Location: Cumbria

Posted 27 May 2012 - 06:52 PM

hi guys i have a problem with my st170 , just recently it has started hesitating whilst accelerating at 4000 rpm+, i have recently serviced it and have replaced plugs and leads , still no different but this is only happening when the engine is warm .

i have also tried a different coil pack and the same is happening does anyone know what the remedy may be i dont think its a fuel problem as i have change the filters and have also cleaned the tank out and the car allways runs on optimax !!! so any suggestions would be gratefully appreciated thanks guys !!!

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