Idles high when put in park only

Tiny
TRACEY MCMORRAN
  • MEMBER
  • 1992 MERCURY MARQUIS
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 95,000 MILES
Idle okay in gear. What is causing this?
Thursday, January 3rd, 2019 AT 11:27 AM

1 Reply

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

It sounds like you might be having an issue with the idle air control valve.Here is a tutorial showing what is involved:

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

Hope this helps and thanks for using 2CarPros.

Danny-
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
+1
Thursday, January 3rd, 2019 AT 6:51 PM

Please login or register to post a reply.

Related Engine Idle High Content

VIEW MORE

Sponsored links