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Rough idle? P0171, P0174? Here's what you need to check first!!!
Vacuum tube assembly Thanks for the heads up. I originally thought it was MAF sensor bought some cleaner and that didn't work. Checked online found your post and did some further inspection. I found that the rubber elbows were both damaged. Going to call dealer tomorrow.- frhunter
- Post #37
- Forum: 1st Gen Ford Expedition Engine & Performance
