1998 Chevy Cavalier mpg performance

1998 CHEVROLET CAVALIER
148,000 MILES • 4 CYL • 2WD • MANUAL
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GRAVIEMAN09
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i have done everything from a simple tune up to minor modifications to try and gain gas mileage. now i will tell you that i do have a lead foot but 75% of the time im driving normally. the car is estimated at 25mpg and a little more on the highway but im getting around 15 in town. i cant find a software system to load into my laptop that i can connect to the computer in the car to find out why im not getting the performance i expect. what can i do and where can i find a software system to help me get the performance i expect
Oct 14, 2010 at 3:44 PM
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RASMATAZ
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When the last time you had the clutch assembly replaced could be slipping? there's other areas's that will reduced fuel economy-such as wheel alignment,suspension, tires, low engine compression and a rich running mixture
Oct 15, 2010 at 1:47 AM