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1998 Chevy Astro

Tiny
FREDDIE YSLAS
  • MEMBER
  • 1998 CHEVROLET ASTRO
Engine Performance problem
1998 Chevy Astro 6 cyl Two Wheel Drive Automatic 80.000 miles

I have A rough Idle and just started a coughing and miss problem, I just had a complete tune up and replaced the fuel pump and used a fuel systems cleaner 4 times and changed the air filter I'm lost now on this one?
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Monday, November 3rd, 2008 AT 3:02 PM

1 Reply

Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
Was the car diong this before or after the tune up?
Do you get a check engine light? If yes, can you scan the ECM to retrieve the trouble codes.
Does it run smooth going down the road (off idle)?
My firdt thought is a vacuum leak, but your answers will help narrow it down.
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Tuesday, November 4th, 2008 AT 2:13 AM

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