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I am stumped. Daughter drove 2002 2.3t (151k on clock) 350 miles home early last week and leaves car home all week. So I do normal checking and see that average mileage is only 23 mpg. Typically, it would be up to around 29 after such trip. I fill tank with premium, clear/reset the mpg function and commute 40 miles one day and see an ave. mpg of 28. Daughter drives car 350 miles back to school today and says mpg now reads 26.4 instead of 28+. This makes no sense to me as she confirmed she doesn't drive with foot on brake, CEL had not displayed and plugs, DIC, throttle body, air filter and fuel filter were changed 5,500 miles ago. She even said she senses amount of gas used for each trip seems LESS than normal. Thanks in advance for your insights.
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Brianatl
Posts in this Thread:
- MPG Drop Mystery, Brianatl , Sun, 20 Mar 2016 18:25:50 <-- Viewing This Message
- Why premium in a 2.3 t?, Boris Bubbanov, Tue, 22 Mar 2016 17:46:55
- Re: MPG Drop Mystery, SWEDECAR , Mon, 21 Mar 2016 08:15:17
- Re: MPG Drop Mystery, mlc , Mon, 21 Mar 2016 07:31:20
- Re: MPG Drop Mystery, AdamSAAB2kAero , Mon, 21 Mar 2016 06:39:40
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