albertmdh Posted September 9, 2005 Report Posted September 9, 2005 My girlfriend has a '88 Corolla 4 door. I has about 115k on it, and was just in for a tune, also the exhaust was replaced. Since then, the car seems to be running rich, and idling low, the gas mileage has dropped from 50-60mpg down to 29-30 mpg. Any thoughts on what the issue might be? Bad injectors maybe? Quote
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