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What can cause a lean condition

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Old 06-17-2008, 09:08 PM
  #11  
mjr46
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Default RE: What can cause a lean condition
the exhaust leak WILL cause a lean condition as JOEL5.0 states which is a result of a loose header bolt which inturn since bolt was loose causes gasket to blow out hence exhaust leak hence lean condition
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Old 06-17-2008, 09:13 PM
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ryan_89_mustang
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Default RE: What can cause a lean condition
Hmm very interesting I hope this fixes my mileage, fingers are crossed. It was one of the 2 bolts on the header to midpipe connection not header to head btw

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Old 06-17-2008, 09:15 PM
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will
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Default RE: What can cause a lean condition
before or after the o2?

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Old 06-17-2008, 09:24 PM
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ryan_89_mustang
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Default RE: What can cause a lean condition
the leak was before the o2
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Old 06-17-2008, 09:28 PM
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mjr46
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Default RE: What can cause a lean condition
ORIGINAL: will

before or after the o2?

obviously if it was the midpipe to header connection it would be before
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