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Low rough idle and stalls

Tiny
TODD'S ASTRO
  • MEMBER
  • 1995 CHEVROLET ASTRO
  • 4.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 195,000 MILES
Never had a problem until I had front shocks put on a shop. First time I ever have taken a vehicle to a shop in my life. Coincidence or? Picked it up and got almost home, let off the throttle to turn the corner and it stalled. Started back up and drove fine to my house but once again it stalled as I was pulling up to my house. Even now cold starting it will idle like I i's hitting on four cylinders and stalls out. If you give it throttle it runs good and smooth. Help please.
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Friday, October 6th, 2017 AT 2:59 PM

4 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,576 POSTS
Check to see if the EGR is stuck partway open from carbon. Those are the classic symptoms. Also check the vacuum lines as the 4.3 hates leaks.
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Monday, October 9th, 2017 AT 10:26 AM
Tiny
TODD'S ASTRO
  • MEMBER
  • 3 POSTS
I will check it. Thanks
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Thursday, October 12th, 2017 AT 7:54 AM
Tiny
TODD'S ASTRO
  • MEMBER
  • 3 POSTS
Thanks a bunch. Clean egr valve and it purrs like a champ.
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Tuesday, October 24th, 2017 AT 9:50 PM
Tiny
STEVE W.
  • MECHANIC
  • 13,576 POSTS
The 4.3s get a lot of carbon in the intake. There is a part called a kleen screen that you can install to keep the chunks from causing an issue.

You are welcome. Thank you for using 2carpros. Com.
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Tuesday, October 24th, 2017 AT 10:44 PM

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