scan codes on 2000 Saturn LS2

i have the scan codes which are P0171 & P0174. CAN YOU HELP ME WITH THIS?

by in Calhoun City, MS on July 25, 2009
1 answer
ANSWER by on July 26, 2009
This signifies a lean air fuel mixture in bank one and bank two. The fact that both banks is a sign that the engine has a vacuum leak or perhaps an the component that tells the on board computer on your car how much air is entering the engine so it can then calculate how much fuel to put into the engine. This device is an air flow meter or map sensor.
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