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Re: Starting problems
P0171 and p0174 is lean bank 1 and lean bank 2. How many miles on your escape? Those codes indicate your engine has a vacuum leak and that is causing your engine to stall. With those codes that means your engine is sucking in unmetered air and the PCM can't compensate the fuel trims. I haven't seen to many problems with escape 3.0 engines but you problly have bad intake gaskets, and or a bad PCV valve hose. The intake gaskets get brittle in cold weather and don't seal on cold starts. So your technition needs to inspect for vacum leaks. hope this helps and keep us posted.
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