ConestogaActual Posted July 5, 2017 Report Share Posted July 5, 2017 I dropped off my Edge at the dealer this morning. It bucks or shudders when downshifting. Accelerates ok, upshift is ok, drives ok at low speeds, but when trying to maintain speed on an upgrade, e.g. 40mph or 65mph, it shudders or bucks when trying to downshift. Tach looks steady or maybe doesn't respond fast enough to show fluctuation. Is this the TSS/OSS issue or is something else going on? Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted July 6, 2017 Report Share Posted July 6, 2017 Some details ... how many miles on your Edge, is it AWD/FWD, what is the maintenance history, including spark plugs, coils, PCV valve, and engine/transmission mounts. Quote Link to comment Share on other sites More sharing options...
ConestogaActual Posted July 7, 2017 Author Report Share Posted July 7, 2017 2007 Edge, FWD, <76000 miles, really good news, turned out to be a bad vacuum hose connection near the intake manifold. (can't believe i missed it) my second very good experience with Robin Ford in Glenolden, PA First on my Explorer, now on the Edge too! 1 Quote Link to comment Share on other sites More sharing options...
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