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What is wrong with a Chevy Cavalier 2005 that displays a PO171 System too lean Bank One?
Wiki User
∙ 15y ago
Without going into detail...low fuel pressure. The O2 sensor is saying to much air not enough fuel. You may have good pressure at first but let it run while watching the pressure guage. The pressure will probably drop within 15 mins. or more...just watch it for a while
Wiki User
∙ 15y ago
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