Question about 1998 Cadillac DeVille

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Code PO174 The check Engen light came on - 1998 Cadillac DeVille

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Defined as fuel trim lean bank 2. possible causes would be clogged fuel injectors, vacum leak or bad oxygen sensor

Posted on Nov 17, 2009

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Bank 1 not Bank 2

Posted on Nov 20, 2009

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I have a code that i need to get the right part..PO174


po 174 is typically accompanied by code po 171 however the code is normally a vaccum leak fords normally have an issue with the pcv valve hose collapsing a busting or either the plastic intakes have a vaccum leak that clears up when the engine warms up which is normally the upper plenum gaskets

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I have a 1999 ford ranger and the check engine light is on The code read only po174. What does this mean?


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