Rpm fluctuations

2005 JEEP GRAND CHEROKEE
60,000 MILES • 4.7L • V8 • 4WD • AUTOMATIC
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HARVERINDER SINGH
  • MEMBER
  • 1 POST
Hello, the rpm fluctuates when stop at signal.sometimes it stalls and need to restart it.
Apr 30, 2020 at 8:07 AM
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ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good afternoon,

Is the check engine light on? If it is, do you know the code as it will help narrow the area of failure.

https://www.2carpros.com/articles/engine-surges

I would start by cleaning the throttle body as dirt and carbon can cause this issue.

https://www.2carpros.com/articles/throttle-actuator-service

Roy
Apr 30, 2020 at 9:58 AM
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