97 ranger a/t 4.0 codes 171/174
zingalie
08-30-2005, 01:14 PM
have codes 171 and 174 lean bank 1 and 2.
o2 sensors? if so whichc ones and if not where should i be looking?
thanks.
chuck :confused:
o2 sensors? if so whichc ones and if not where should i be looking?
thanks.
chuck :confused:
rivguy
09-06-2005, 01:44 PM
no O2 - this is both banks lean - look for any vacume leaks and clean the mass air flow sensor
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