PO171 code and running weak after driving in traffic
OK... I have had my Sedona parked for about 5 months now since i can't get it to pass emissions with the check engine light on. I get a PO171 code within a couple of minutes of resetting the computer. (lean bank 1) I thoroughly cleaned the maf sensor and re-installed it and still get the same results. It is hard to get started, but then runs fine for 3-4 hours and then, (usually after I stop somewhere for a few minutes and get back into the car again) It can barely move forward- forget about going up a hill. It won't happen. I have to creep along until I get momentum and then floor it to get it to do anything. It seems like it's starving for air or something. I can't find anything on line or in the forum, PLEASE help! I've got 165,000 miles on the van and It was perfect until this problem came up.
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