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Fuel Injector code P0172 'Too Rich'

31K views 11 replies 6 participants last post by  Aaron Cake 
Sorry to hear about your problems. I would be grateful if you could answer a couple of questions -
what symptoms were shown when an O2 sensor went bad? do you ever stall in auto-stop (myself and a couple of other forum users have this problem) and does your engine run rough during cold idle?
 
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