P0171 System Lean Bank 1
10-27-2018, 01:37 PM
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P0171 System Lean Bank 1
So i've been trying to fix this issue for a few weeks now. I have replaced all 4 ignition coils and spark plugs as well as the PCV Assembly. My scanner still shows the fault code P0171 and the engine is making a strange metal on metal grinding sound when in motion... If any can help me I would greatly appreciate it!
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