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Rough running

Tiny
RMCABEE
  • MEMBER
  • 1998 JEEP WRANGLER
  • 2.5L
  • 4 CYL
  • 4WD
  • MANUAL
  • 164,000 MILES
After driving my vehicle for around 20 minutes or more, if I stop somewhere and cut it off or even leave it idling for about 5 or 10 minutes, when I go to leave it sputters very badly almost to the point of shutting off. I have replaced the MAP sensor. Any other ideas?
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Friday, August 23rd, 2019 AT 5:46 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,490 POSTS
Hello,

It sounds like you may have a vacuum leak or the throttle body needs service. here are two guides to help us fix the problem:

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

and

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

Please run down these guides and report back. Can you please shoot a quick video with your phone so we can see what's going on? that would be great. You can upload it here with your response.

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Tuesday, August 27th, 2019 AT 11:30 AM
Tiny
RMCABEE
  • MEMBER
  • 2 POSTS
Thanks Ken. I will try this this weekend as that is the only free time I have. Will post update saturday evening.
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Tuesday, August 27th, 2019 AT 1:38 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,490 POSTS
Sounds good, please let me know.
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Wednesday, August 28th, 2019 AT 9:49 AM

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