My 2001 Taurus engine speeds up and slows down whether sitting or driving, and is using lots of gas.(1/4) tank to 40 miles. What could it be?

Asked by Nov 15, 2016 at 12:50 PM about the 2001 Ford Taurus

Question type: Maintenance & Repair

1 Answer

80

You may have an air leak in the system, causing the system to think it's running lean, so the computer will inject more fuel to correct this, causing poor fuel economy and rough idle

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