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.

22,545

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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