2002 Ford Explorer Clicking noise when in park

UPPERECHELONBALLER

MEMBER
2002 FORD EXPLORER
6 CYL
2WD
AUTOMATIC
170,000 MILES

Today while I had the car on, but in park, I kept hearing a single click, and then the RPM level would drop and rise, then 3 seconds later, it would repeat the same thing. It did this until I changed gears. What could be the problem? 1 single click, then the car acts as if it wants to stall but doesnt. I recently had the vacuum hose replaced to cure a similar problem.

5 Replies

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

It could be vacuum related still. However, has the check engine light come on? Also, where do you hear the clicking sound coming from?

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Tuesday, November 10th, 2009 AT 8:39 PM

UPPERECHELONBALLER

MEMBER
3 POSTS

No the check engine light hasn't come back on yet and I'm hearing it from the front drivers side. I had my car door open and my window down and I heard it

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Tuesday, November 10th, 2009 AT 8:44 PM

JACOBANDNICKOLAS

MECHANIC
109,755 POSTS

IT sounds to me like a throttle position sensor, but without the check engine light coming on or a trouble code, that is a guess at this point. Does it run fine when you place it in gear?

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Tuesday, November 10th, 2009 AT 9:12 PM

UPPERECHELONBALLER

MEMBER
3 POSTS

It runs fine when it's in gear. I looked under the hood and saw where the clicking noise was coming from. There's a belt on the driver side and the round thing it turns on will turn and then stop. That's when it clicks and the car acts like it wants to stall (the rpm drops)

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Tuesday, November 17th, 2009 AT 9:41 AM

JACOBANDNICKOLAS