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10-13-2009, 06:07 AM
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#1 | |
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AF Newbie
Join Date: Oct 2009
Location: Greensboro, North Carolina
Posts: 1
Thanks: 0
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vacuum leak
I have a vacuum leak on a 2000 deville, replaced all o2 sensors and map sensor and maf sensor, still have problem. code is 0171 can anyone help?
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10-13-2009, 12:25 PM
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#2 | |
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A990 racer
 Join Date: Mar 2002
Location: Chestertown, New York
Posts: 16,965
Thanks: 25
Thanked 373 Times in 367 Posts
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Re: vacuum leak
Welcome to AF, what makes you think the code is caused by a vacuum leak, it says lean exhaust, other things can cause this. Low fuel pressure, dirty injectors ,air entering behind the maf are some possibilities.
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