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Rough idle? P0171, P0174? Here's what you need to check first!!!
Same problem - THANK YOU!!!! I had this exact same issue - thanks to your post (and excellent pictures) I was able to find the "elbow" by feel and I felt the hole. Bought just the elbow at Napa for about 13.00 and it runs great now. Thank you - saved a lot of money having the mechanic search...- RonnieGeo
- Post #13
- Forum: 1st Gen Ford Expedition Engine & Performance
