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Rough idle

Tiny
FEFFER710
  • MEMBER
  • 2004 CHEVROLET CAVALIER
  • 2.2L
  • 4 CYL
  • 2WD
  • 100,000 MILES
Car idles rough in & out of gear.P0172 code (bank 1 system too rich)
Sunday, December 20th, 2015 AT 12:18 PM

3 Replies

Tiny
FEFFER710
  • MEMBER
  • 3 POSTS
Thank you for your time & effort. I have replaced spark plugs, as well as the air & fuel filters. I have also cleaned the throttle valve with no results.
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Sunday, December 20th, 2015 AT 12:34 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Have you checked fuel pump pressure?
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Sunday, December 20th, 2015 AT 6:20 PM
Tiny
FEFFER710
  • MEMBER
  • 3 POSTS
I haven't checked the fuel pump pressure. Actually I didn't know you could. Would that be something I could do myself? I consider myself mechanically inclined, and am trying to avoid taking it to a garage. Thank you again for your help.
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Monday, December 21st, 2015 AT 5:16 AM

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