2006 Lux H2
Dealer told me removing the roof racks would improve mileage 1 mpg
Did not remove because I like the look
Replacing the exhaust system and air intake system would improve mileage 3-4 mpg
Had that done. More power but mpg remains the same.
Put in BP 89 octane instead of 87 octane
Noticed a marked improvement in performance and mpg
Read this forum and today I put in Sunoco 94 octane
No change in performance but gas mileage actually DECREASED!!!
I'll try one more tank of higher octane and post the results.
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Jeff
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