Car stalls when warmed up.

Tiny
WILEECOYOTE345
  • 1993 HONDA CIVIC
  • 173,000 MILES

Car won't start sometimes when warmed up. When I get it started I smell a lot of fuel. Seems to be getting to rich of a mixture. What possible causes could it be? The inside of tailpipe is all sooty and black.
Replaced IAC replace PCV valve, took out main relay and re-soldered board. When it sits for about five or ten minutes I have problems. But when it sits for an 2 hours or more it starts fine. Is it possible that one or more of the fuel injectors is leaking fuel into the cylinders after the engine is shut off?

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Saturday, March 31st, 2012 AT 9:13 PM

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Tiny
ASEMASTER6371
  • EXPERT
  • 25,554 POSTS

Yes, or while it is running. You need to insert a pressure gauge and watch the pressure at rest as well as running.

Roy

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Saturday, March 31st, 2012 AT 9:42 PM

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