Engine sound

Tiny
LAURIE HOFFER
  • MEMBER
  • 2000 FORD EXPEDITION
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 190,000 MILES
When I am at idle it sounds like the engine is revving.
Monday, October 15th, 2018 AT 12:47 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

I would start by cleaning the throttle body as the plate may be carboned up from blow by.

Beyond that, there is an idle air control motor that may be bad. That is a common failure but will result in a high idle condition.

Roy

https://www.2carpros.com/articles/throttle-actuator-service
Image (Click to make bigger)
Thumb
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Monday, October 15th, 2018 AT 2:31 AM

Please login or register to post a reply.

Related Engine Revs Up Content

Idle Air Control Motor Replacement
GUIDE
Idle Air Control Motor Replacement
The idle air control motor or idle speed control motor is designed to adjust the air flow into the intake manifold at engine idle. Engine idle speed is monitored by the PCM...
VIEW MORE

Sponsored links