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UPDATE ON MY 1999 VOYAGER I FOUND THAT BY ...

  • Tiny
  • stephenaudsley
  • 1999 Plymouth Voyager
  • 110,000 miles

Update on my 1999 voyager I found that by disconecting the the Map sensor the engine no longer floods. Will idle with no black smoke but still is not running right. So replaced Map sensor but it still floods with new MAP sensor hooked up. Still no codes except to tell me the map is not working because I disconected it again. So I think that the fuel pressure must be ok because I can pull the fuel relay and it runs till the pressure drops. Any other ideas

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Wednesday, December 26th, 2012 AT 11:45 PM

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  • Tiny
  • freemba
  • Expert
  • 1,143 posts

Since unplugging the MAP sensor makes it run better, check for a vacuum leak somewhere around the intake mainfold. The leak (if there is one) is probably fairly large to cause such a problem.

Try spraying the intake area with water in a squirt bottle if the engine stalls you have norrowed down where the leak is.

(of course the MAP sensor could have Adaptive Memory which would, once the MAP is disconnected, allows the computer to go to a preset MAP reading; thereby concealing the problem).

Still would like to have the fuel pressure actually read by a guage. But later for that, let me know how the search for the vacuum leak goes.

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Thursday, December 27th, 2012 AT 12:10 AM

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