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16/11/2020 4:59 pm
Topic starter
Hey scotty i have dodge challenger 3.5L, its giving me the code P0171 lean bank 1, thought it was the O2 sensor so i changed it but it didn’t do anything, it has new 6 ignition coils and spark plugs but it’s idling rough. What the heck can it be?
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17/11/2020 8:07 pm
if it is only lean on one bag pray you can find a vacuum leak on that side because if it's not that it could be that a fuel injector on that side is clogged and it's not an easy thing to diagnose
