5.0 v8 intake manifold | Ford Explorer Forums - Serious Explorations

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5.0 v8 intake manifold

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    1997 explorer 5.0 V8 missing intake vacuum hose errati idle hissing sound code P0171

    Hi I need help finding a missing vacuum hose! I had codes P0171 PO174 idling from 500rpm to 1500rpm erratically, hissing sound under the hood, found open port on intake manifold on the driver side upper intake manifold there is a "T" fitting one line goes to the PVC valve, and the other side...
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