First start of the day, rough idle, erratic RPMs and shuts off?

Tiny
JOHN JACOBSON
  • MEMBER
  • 2002 ISUZU RODEO
  • 3.2L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
The rest of the day starts and runs normally. Throttle body was cleaned and PCV sensor replaced, no help.
Sunday, June 30th, 2024 AT 3:58 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 45,347 POSTS
Let's run the codes first to see if any are stored, this guide will help. Also, I have seen a bad engine coolant sensor cause this issue.

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

This can be caused by a vacuum leak as well, use this guide when the engine is cold only:

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

Please go over these guides and get back to us.

SPONSORED LINKS
Was this
answer
helpful?
Yes
No
+1
Sunday, June 30th, 2024 AT 10:55 AM

Please login or register to post a reply.

Related Engine Idle Erratic Content

Vacuum Leak Test and Repair
VIDEO
Vacuum Leak Test and Repair
Instructional repair video
Idling High
GUIDE
Idling High
Intermittent sensor failure or shorting can cause the computer to act strange with unusual side effects, these problems are particularly tough to diagnose. The computer...
VIEW MORE

Sponsored links