Quote:
Originally Posted by M.B.DOC
Fuel economy OR lack of economy is related to engine temp, lamda operation, & driving styles.
Possibly the O2 sensor isn't functioning?
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So if the engine is cool, say only running 60C on a cool day never getting past say 75C is it going to run super rich? Then say I take it to my mechanic who leans out my mixture, before I changed the thermostat, is it now going to be super lean after I changed the thermostat? All the while my fuel economy still suffering? He told me that running cool on this car will not effect my fuel economy that bad.
01-26-2009, 03:42 PM
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