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2003 Ford Expedition 5.4 2valve engine Noise
Hi, can you give me your advice on this problem no engine code no vacuum leak no coolant leak and a new Pcv valve. I did replace the intake manifold 5 years ago with the Dorman part. I hear the sound at 2000 to 2100 rpm. The new intake has Approximately 30,000 miles. Thank you for your time and...- Martin Lopez
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- Replies: 10
- Forum: 2nd Gen - 2003 - 2006
