I normally run about 400 mile to a tank of gas, I have a AT 01 SC2 with 35,000. Just recently i've lost gas mileage, I now get about 200 to a tank. My car also is idling at 2000 every once in awhile.. What can be wrong?

i think i posted my reply on a different forum..[img]smileys/smiley2.gif[/img]

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Alot of things. your car could be getting the wrong mixture of air and gas. have you gave it a tune up? =oil, oil filter, sparkplugs, wires ect ect. It could be the idle speed got messed up, which is an easy adjustment on older cars any way. Also i went from 350 miles down to about 200. Then I took a trip by plane came back tripometer said 149 and i had half a tank. burned the rest of the gas filled it up went to reset the tripometer and it was still at 149, now whenever i reset it it doesn't go past 9/10 of a mile. so bump your miliage with your odometer also.

I think I figured it out, I found a small crack in the intake tube, and my plugs were gapped at .050 so I put them to .040 and fixed the crack. I'll let you know if it works..

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when was the last time you changed your airfilter that has ALOT to do with gas milage