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2009 Expedition Misfire
I have a 2009 Expedition, 5.4, that has had an intermittent misfire for a while. It runs fine until I step on the accelerator fairly hard, gentle acceleration is fine. If I step it hard it misses and pops and either will start the CEL flashing and then turn into a hard miss for 20-30 seconds...- wilsonsk
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- Forum: 3rd Gen Ford Expedition General Discussion
