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Isuzu
Rodeo
Engine
Symptoms
Idle Erratic
First start of the day, rough idle, erratic RPMs and shuts off?
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
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.
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Sunday, June 30th, 2024 AT 10:55 AM
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