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1998 Chevy Monte Carlo Rough/hard start/black smoke/rough I

Tiny
24CHIEF
  • MEMBER
  • 1998 CHEVROLET MONTE CARLO
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 142,000 MILES
This car has the 3.1l v6 and you have to push the accelerater to start it then there is black smoke out the exhaust, heavy at first then just light black smoke. Once I get up to speed it seems to run fine but when stopped it runs rough again. Additionally the service engine light will come on as well as the abs light then sometimes go out. It seems as though there is low vaccuum too.
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Wednesday, June 18th, 2008 AT 9:24 AM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Sounds like its running rich due to the check engine light.

Get it scanned and it will tell us what is wrong and when you post back I can tell you how to fix it!

Get back to me asap.
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Wednesday, June 18th, 2008 AT 9:58 AM
Tiny
24CHIEF
  • MEMBER
  • 2 POSTS
For grins I decided to check the fuel pressure regulator. When I removed the top line from the regulator fuel was present so I replaced the fuel regulator and that resolved the problem. This is a great site! Thanks for being here!
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Wednesday, June 18th, 2008 AT 3:35 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Glad to help!

Common problem when the vehicle runs with that much black smoke!

Good that it cleared up your problem!
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Thursday, June 19th, 2008 AT 12:24 PM

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