5.0L Ford Mustang 5.0L discussion area for heads, rebuilding, tuning, idle issues and all other modifications and performance parts.

air fuel mixture

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Old Jun 3, 2007 | 10:05 PM
  #11  
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No problem, thats what we are all here for. Glad to see its good now. Enjoy
Old Jun 6, 2007 | 07:51 PM
  #12  
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timing is set to 12 degrees runs awsome! yee ha! still idles a little high though. tried backing off the throttle plate screw not really helping.
Old Jun 7, 2007 | 06:57 PM
  #13  
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Originally Posted by mustang_mikey
timing is set to 12 degrees runs awsome! yee ha! still idles a little high though. tried backing off the throttle plate screw not really helping.
Have you set up your TPS sensor. You want it to be closest to 1 volt. Maybe try that to fix the idle problem. Glad to hear the car is running better
Old Jun 7, 2007 | 08:27 PM
  #14  
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timing is set a 12 degrees runs pretty good. just gonna tweak with it a little bit now that I have my own light. im gonna try 14 i think its not as powerfull as it should be at higher rpms. Still open to ideas for the rough idle. where do i get the maf clocked?
Old Jun 7, 2007 | 08:35 PM
  #15  
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Still runs rich? once the car is good and warm it has a really bad un burnt fuel odor any ideas???????
Old Jun 7, 2007 | 08:52 PM
  #16  
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You will get the fuel odour because of the lack of cats and the modifications done to the car, you'll need to live with it. As for the idle it sounds like the IAC is maybe dirty or sticky, try cleaning it. I think Scones may have been asking if the MAF is in the proper position, the sensor should face up.
Old Jun 18, 2007 | 09:04 PM
  #17  
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how do you adjust the tps?? I adjusted the timing to 10 degrees and now it idles at 1000rpm. whats going on???????The more I advance it the higher it idles! oh and i ve never had a stang run over 200 degrees f and mine runs 210 and if your on a 100km hwy and given er good its up around 220. which is in the 100 degrees c mark. any other vehicle im in is in celceus and runs at 100. Is it ok to run it this hot?? does this have something to do with the idle??
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