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se le prende y se apaga solo cuando se le prende al tiempo que le aselero se quiere apagar
Vehicle: 1500 silverado 2000

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HI there

This code means there is a lean fuel condition on bank 1. This can be the result of several things, but the most common when it's one bank would be the front O2 sensor or an intake manifold vacuum leak.

P0171 CHEVROLET - Fuel Trim System Lean Bank 1

Read more: https://www.autocodes.com/p0171_chevrolet.html

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