poor gas mileage

2004 FIAT STILO
90,000 MILES
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STEVE 49
  • MEMBER
  • 1 POST
My stilo is a 1.9 jtd and it seems to be using a lot of fuel I drive carefully but cant get more than 40 mpg on a combined cycle I do 25 miles per day each way 5 miles in town 20 on motorway at 70 mph.I have used cleaning fluid in the fuel for the injectors and it dose not smoke or through soot out when revving.
Feb 16, 2012 at 11:06 AM
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BILLYMAC
  • ✓Experienced Mechanic
  • 2,204 POSTS
it sounds like you need a tune up and throttle bore service,

go here and follow this guide,

http://www.2carpros.com/articles/how-to-tune-up-a-car-engine
Feb 16, 2012 at 11:08 AM
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