I have a 2003 explorer XLT and hears a whistling noise , when I release the accelator it stops, any ideas

Asked by Mar 19, 2014 at 09:43 AM about the 2003 Ford Explorer NBX V6 4WD

Question type: General

2 Answers

You may have a leak in your intake, with the motor running and your hood up pull your throttle cable and try to pinpoint the whistle, you may just have something in your intake.

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The other cause could be leak in the exhaust. If the muffler or cat is restricted, it can cause whistling through a weak spot. Muffler shops often check it out for free

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