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P0171 help

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Old 05-08-2010
djfllmn's Avatar
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P0171 help
my CEL came on today and it was a p0171 system too lean on bank one...can someone help me on what can cause this code
 
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  #2  
Old 05-09-2010
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never mind i found the problem the vac hose on the air inlet tube came off somehow when i was driving yesterday
 
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Old 05-09-2010
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Yeah. Its a very common problem with our trucks. Make sure it isnt cracked or anything. Its not very exspensive.
 
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Old 05-09-2010
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do you know how expensive the part is...i might just go ahead and replace it
 
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