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Prev Professional Automotive Repair Technical Discussions for February 17, 2023
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2007 Ford Fusion SE 3.0L cyl.4,5,6 VIN: 3FAHP01187
My belief at this point is valve timing issue, cat is not plugged. What else could cause this problem other than valve timing? All 3 cylinders are equal on cylinder balance tests -18 on all 3. The other bank is normal. Oxygen sensor shows lean on affected ...
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