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running lean WTF on stock z6

Old 09-25-2004, 01:33 AM
  #3  
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Join Date: Feb 2004
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Default Re:running lean WTF on stock z6

did you drop the fuel pressure?
maybe thats why?

also how do you know its running lean? did you check with a wideband? and was it calibrated

also metal specs on your spark plugs is a sign of detonation; thats molten aluminum cooling on the inulsator
ComputerJLT is offline  
Old 09-25-2004, 01:47 AM
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Default Re:running lean WTF on stock z6

Originally Posted by ComputerJLT
also how do you know its running lean?
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Old 09-25-2004, 01:54 AM
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Default Re:running lean WTF on stock z6

Have you tried a tune up. If the car was abused and ran w/ crap gas injectors do get dirty which can casue a lean condition. I would get some fuel injector cleaner and a tune up
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Old 09-25-2004, 06:40 AM
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Default Re:running lean WTF on stock z6

Do the basic maintanance...but I bet it could be the fpr...maybe you set it to low...you need a fuel pressure gauge to set it up right.
He's running lean, cause his spark plugs are white...he has detonation..thus the aluminum bubbles on his plugs...and if his car is getting hotter then before ... he is getting higher EGT's
Check the FPR first...is ti adjustable?
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Old 09-25-2004, 10:43 AM
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Default Re:running lean WTF on stock z6

maybe the fuel pump is going out or the fuel filter is clogged
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Old 09-25-2004, 02:19 PM
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Default Re:running lean WTF on stock z6

Trust me you have a clog in your fuel system somewhere no biggie do the basic tune change fuel filter etc and the car will be fine
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