My car is idling bad?

Tiny
WILL5059
  • MEMBER
  • 2017 FORD EXPLORER
  • 3.7L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
It was a police car. I have changed the pcv valve and it still idles bad. It drives fine. There was very little oil inside the intake sides. It does blow smoke out of the oil fill cap.
Sunday, August 10th, 2025 AT 10:24 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
Okay, the first thing we need to do is run the codes to see which cylinder is having an issue, the code number should tell us which one it is. Then we can go from there. Here is a video to help.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Can you upload a short video on what is going on from under the hood, it will make the repair much easier.

This guide is fantastic well.

https://www.2carpros.com/articles/repairing-engine-rough-idle-issues

I will be glad to help but I need more information from you.
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Monday, August 11th, 2025 AT 12:35 PM

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