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1994 Chevy Astro Rough idle

Tiny
NUEVOASTRO
  • MEMBER
  • 1994 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 13,200 MILES
I have a '94 Astro with 132,000 miles on it. It has always run strong, but lately after it warms up, the idle gets rough. It has died on my wife a few times at a stop. I changed the plugs, cap/rotor, and it made no difference. Hoping it's not injectors. How can I rule them out?
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Wednesday, November 19th, 2008 AT 3:35 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi:
You could try an injector cleaner, but if there isn't a dead miss, it's hard to do. I would recommend having the computer scanned for trouble codes. Most nationally recognized parts stores will do it for free. If three is a problem with a sensor, this will identify it. Also, check the vacuum lines for damage or disconnection.

Let me know what you find.

Joe
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Thursday, November 20th, 2008 AT 7:30 AM

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