Re: bank 2 too rich and bank 1 too lean need help
if its running too lean try getting your truck hooked up to a smoke machine to look for any leaks. when i bought my 00 2.3l i had a coke for it running too lean (too much air) and i hooked it up to a smoke machine. then found that one of my breather hoses were kinked and it blew out my PCV valve, causeing it to run lean. so i would say to look for any leaks in the hoses and see if the code goes away
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