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1993 Chevy S-10 overload of fuel

Tiny
STILLTED
  • MEMBER
  • 1993 CHEVROLET S-10
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 146,000 MILES
I have 1993 s10 blazer with 4.3 engine. When I start it it idles very ruff. It smell sometimes of raw gas. When starting to take off from a stop position. It appears to be flooding, but once I get going it appears to run ok until I get to a stop light and then the ruff ideling and flooding starts again. It a real pain in the BUTT to drive in town
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Sunday, June 29th, 2008 AT 10:39 AM

2 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
If you are not getting any ECM error codes, inspect the fuel pressure regulator vacuum line on the fuel rail. If there is fuel in the vacuum line then the FPR diaphram is ruptured and would need to be replaced.
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Monday, June 30th, 2008 AT 7:26 AM
Tiny
STILLTED
  • MEMBER
  • 2 POSTS
Thank you guys very much. You told mr exactly what the problem was. Not only was FPR diaphram ruptured, but pressure line was cracked
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Thursday, July 17th, 2008 AT 3:50 PM

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