Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - car will not start with new tune
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Old 04-17-2012, 03:50 PM   #6
ZXthrizzle05
TURBO ZX3
 
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Join Date: Jun 2005
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Location: Marysville, WA
What I Drive: 2007 mazda 3 I sport, TURBO ZX3

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your tuner couldve taken away some percentage of fuel to balance out your readings and jeopardized your fuel pressure. happened to me once and turns out that my o2 bungs stick out to far wich sends off readings. so when i got a new tune with less fuel there wasnt enough to start the car anymore
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