shortysmash Posted July 24, 2010 Share Posted July 24, 2010 I have a 01 pathy and Im getting a p0171 lean bank 1 and p0174 lean bank 2 codes. i wanted to get some opinions on as to what might cause that. I saw online that it might be a dirty or failing maf sensor. but i havent tried cleaning it or anything. I havent had any engine problems that i can tell. i also read it could be O2 sensor but at 100 roughly apiece i dont want to shell it out until i have a pretty close idea as to what it might be thanks Link to comment Share on other sites More sharing options...
Thunderbolt Posted July 25, 2010 Share Posted July 25, 2010 I would get a can of MAF cleaner or electrical cleaner and see if that works and if you are using a K&N filter... scrap it. The oil off the filter is messing up the sensors in the maf. Link to comment Share on other sites More sharing options...
shortysmash Posted July 25, 2010 Author Share Posted July 25, 2010 yeah i have had a k&n on it for about 2 years and the codes only started to shop up about a month ago but ill go clean it and see how that does. Link to comment Share on other sites More sharing options...
ChrisPerna Posted March 15, 2011 Share Posted March 15, 2011 any luck? Link to comment Share on other sites More sharing options...
Iceman2989 Posted March 15, 2011 Share Posted March 15, 2011 PS. You can find O2 sensors cheap on ebay. I found one for $30 for my pathy. Link to comment Share on other sites More sharing options...
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