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Help Please!

1536 Views 13 Replies 13 Participants Last post by  Gig4Fun
Ok HERES THE DEAL just got my car about a week ago....had about 63 miles when i got it, and now has about 480. Ok my mpg is 12.1. Im finding most of the GT owners around here getting at least 14 mpg. I was thinking it was my tires. I checked and their psi was about 30-32....:?: SO i went to my local gas station and pumped them up to about 40 infront and 39 in back. Is this good..or should i lower the psi alittle? Could that of been my MPG issue???? thankyou!!:wavey
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Ok now I am seeing this 12mpg thing too. I have an '05 GT convertible automatic. Bought it used at the 900 mile mark. I am now at the 4000mile mark. At first mpg was around 17-19 but now down to 12. I did not employ the variable acceleration deceleration methodology proposed. Is there anything I can do. My car is stock, other than a locking gas cap.

tc
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