Thread: running lean, code 172, and vacuum leak
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Old 07-09-2010, 01:26 AM   #5 (permalink)
IsaacCarlson
eco....something or other
 
Join Date: Jul 2009
Location: Colfax, WI
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wood hauler - '91 Ford F-250
Team Pontiac
90 day: 26.69 mpg (US)

Rav - '06 Toyota Rav4 Base
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So this is good? I might want to turn my timing back to 10-12° instead of 14°?
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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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