Volvo XC90 2.5T 2005

Tiny
RRYAN3763
  • MEMBER
  • 2005 VOLVO XC90
  • 5 CYL
  • AWD
  • AUTOMATIC
  • 76,000 MILES
Reduced gas mileage even with regular maintenance and 3,000 mi oil changes, good tires. Runs well has dropped from 24+ to 18 mpg. What can I do?
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Friday, December 17th, 2010 AT 11:37 PM

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Tiny
JIS001
  • MECHANIC
  • 3,408 POSTS
Have the PCV system checked to see if it is plugged up. If it is, have it cleaned along with the throttle body. Other then that, there really is not much you can do. Too be honest, I am surprised you even got 24+ on an XC90? Between 14-18MPG is about normal, especially a 5 cylinder. Also at fill up, do you reset your average speed and estimated miles per gallon? You should do that at every fill up. If your average speed is about 35-40MPH, your fuel economy will be poor. Over 50MPH estimated driving and your fuel economhy will show better since that indicates you are doing straight driving without slowing down like stop and go traffic.
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Saturday, December 18th, 2010 AT 5:01 AM

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