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Running extremely rich at startup...

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Old Jun 2, 2010, 06:17 PM
  #16  
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I changed my map sensor and it didnt help, im 99% sure that it is the o2
Old Jun 3, 2010, 10:40 AM
  #17  
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I was wrong again. I changed the front o2 and it ran a little bit better, but still very very rich at startup and idle(unless my spare o2 was bad also). The the weird part came, i noticed my coolant temp climbing!!! It was starting to overheat for the first time and the fan was going too! WTF help!

Last edited by EvoVIII :D; Jun 3, 2010 at 10:43 AM.
Old Jun 4, 2010, 05:10 AM
  #18  
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you can send me you .cal file and I'll take a look at it and fix it if you'd like. runthat1@gmail.com
Old Jun 11, 2010, 10:58 AM
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Originally Posted by 05ah8james
So I think I may have found the problem. My map voltage is reading 1.27volts at idle and making the engine load go nuts, so it's dumping fuel in the cylinders. So I guess I need a new AEM 5 bar map sensor
Plenty of AEM Map Sensor failures lately, was it the long body sensor or the new style?
Old Jun 19, 2010, 10:59 AM
  #20  
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Originally Posted by EvoVIII :D
I changed my map sensor and it didnt help, im 99% sure that it is the o2

Check warm up enrichment in the start template... Should not be adding any past 170...
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