Low rough idle and stalls

1995 CHEVROLET ASTRO
195,000 MILES • 4.3L • 6 CYL • 2WD • AUTOMATIC
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TODD'S ASTRO
  • MEMBER
  • 3 POSTS
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.
Oct 6, 2017 at 2:59 PM
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STEVE W.
  • ✓ASE Certified Mechanic
  • 15,200 POSTS
  • ASE Certified Mechanic
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.
Oct 9, 2017 at 10:26 AM
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TODD'S ASTRO
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  • 3 POSTS
I will check it. Thanks
Oct 12, 2017 at 7:54 AM
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TODD'S ASTRO
  • MEMBER
  • 3 POSTS
Thanks a bunch. Clean egr valve and it purrs like a champ.
Oct 24, 2017 at 9:50 PM
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STEVE W.
  • ✓ASE Certified Mechanic
  • 15,200 POSTS
  • ASE Certified Mechanic
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.

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Oct 24, 2017 at 10:44 PM
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