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Engine will not idle

Tiny
LEANORE HAYES
  • MEMBER
  • 2002 CADILLAC SEVILLE
  • 3.2L
  • V8
  • 2WD
  • AUTOMATIC
  • 83,000 MILES
The car starts fine but won't idle. I can drive it as long as keep the RPM's on 1. It was running great and all of a sudden it quit idling.
Sunday, July 19th, 2020 AT 9:49 PM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

This could be the result of a dirty throttle body that has carbon build up.

https://www.2carpros.com/articles/stall-at-idle

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

Are there any codes in the system? Is the check engine light on? You can have a parts store read the codes for you for free. Once you know the codes, let me know so I can help narrow the area of failure.

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

Roy
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Monday, July 20th, 2020 AT 4:21 AM
Tiny
LEANORE HAYES
  • MEMBER
  • 16 POSTS
No engine light on no codes on. Yesterday when I first started the car it was fine I needed to lock the house so I turned it off when I came back about 2 minutes later and started the car again is when the idle problem started.
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Monday, July 20th, 2020 AT 8:39 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, I would try cleaning the throttle body as I suggested to see if it is any better.

Roy
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Monday, July 20th, 2020 AT 8:58 AM
Tiny
LEANORE HAYES
  • MEMBER
  • 16 POSTS
Thank you. I will let you know if it works or not.
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Monday, July 20th, 2020 AT 9:31 AM
Tiny
LEANORE HAYES
  • MEMBER
  • 16 POSTS
I went out this morning and started the car and it is running great again, didn't have to do anything very mysterious.
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Tuesday, July 21st, 2020 AT 2:21 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I understand. The issue will return as nothing has been done for the issue.

I would still clean the throttle body very well.

Roy
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Tuesday, July 21st, 2020 AT 2:23 PM
Tiny
LEANORE HAYES
  • MEMBER
  • 16 POSTS
Okay, thanks again.
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Tuesday, July 21st, 2020 AT 5:03 PM

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