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04-20-2008, 12:20 AM
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#1 | |
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AF Newbie
Join Date: Apr 2008
Location: asher, Oklahoma
Posts: 5
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2000 excort zx2
hi everyone i have a ford excort zx2 it runs good but it does not idel right and has set a code of po171 system to lean well i have a friend told me to checkthe pcv hose under the throttle body can not seem to fine the thing and help please it still gets 30 mpg .
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04-20-2008, 09:31 PM
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#2 | |
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AF Enthusiast
Join Date: Aug 2006
Location: Ashtabula, Ohio
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Re: 2000 excort zx2
Check all the vacuum and intake hoses. Check them over and over again. You will find some of the hoses get weak in the elbow sections and will actually sqeeze shut or leak when running. If you have a good ear, listen for the "sucking" sound while it's running.
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