cold start

2010 FORD FOCUS
79,000 MILES • 0.8L • 6 CYL • 2WD • MANUAL
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ARTYCHEF1
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  • 3 POSTS
the problem is when i start the car after it has been parked for a while is the throttle response is poor car judders and sometime backfires once the engine is up to tempreture the car runs fine any ideas
Aug 28, 2016 at 12:33 PM
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SATURNTECH9
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 30,869 POSTS
The first thing I would do is have it scanned for codes and let me know the exact code numbers not code descriptions?
Aug 28, 2016 at 12:42 PM
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ARTYCHEF1
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  • 3 POSTS
no codes showing
Aug 28, 2016 at 10:49 PM
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SATURNTECH9
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I would check the coolant temp sensor you would have to read live engine data on code reader that has live dsta.Compare that to actual coolant temp with a temp gun.
Aug 28, 2016 at 11:02 PM
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ARTYCHEF1
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cheers im waiting on a new sensor coming will report back later
Aug 29, 2016 at 5:45 AM
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SATURNTECH9
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OK keep me posted.
Aug 29, 2016 at 5:55 PM