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Fuel Cleaner causing lean codes?

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Old Nov 3, 2010 | 5:40 PM
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fijidaniel
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Default Fuel Cleaner causing lean codes?
I decided to run Chevron Techron fuel system cleaner through my 2003 Silverado 4.8l. Now I am getting P0171 and P0174 codes for the system running lean. Could the Techron additive cause these codes to appear?
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