Any ideas for my engine problem? - Page 2 - Taurus Car Club of America : Ford Taurus Forum
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post #11 of 11 (permalink) Old 03-24-2012, 12:10 PM
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Does it also cut off when at idle and you turn on the A/C? If so that will eliminate the possibility that you have wiring problems and point more towards a vacuum leak or IAC problem. You can check for vacuum leaks with a propane torch. Some people use brake cleaner, but I find it's easier with a torch. Just take the car outside, open the hood, open the torch (but don't light it), move the nozzle around about the intake and see if the idle speed changes. If it does, you've found your vacuum leak. Also, disconnect the airbox. Get yourself a cigar and start puffing like mad and blowing it into the intake tube. You should see smoke coming out of your intake leaks at idle. If all else fails, clean out your IAC. They get dirty and start wreaking havoc on your idle. While you're at it, may as well clean the throttle body.

Last edited by meal4zombies; 03-24-2012 at 01:55 PM.
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