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  #1  
Old 10-11-2018, 11:58 PM
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Whistling when I am driving and when I stop with the code P0171
 
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Old 10-12-2018, 07:44 PM
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P071 is telling you there is a lean condition on the fuel trim - whistling is telling you there is an air intake leak. Look for a cracked intake hose or loose vacuum line.
 
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